basic literature foundation in research example

The Literature Review: The Foundation of Any Successful Research Project

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by Ursula Saqui, Ph.D.

This post is the first of a two-part series on the overall process of doing a literature review.  Part two covers where to find your resources.

Would you build your house without a foundation?  Of course not!  However, many people skip the first step of any empirical-based project–conducting a literature review.  Like the foundation of your house, the literature review is the foundation of your project.

Having a strong literature review gives structure to your research method and informs your statistical analysis.  If your literature review is weak or non-existent, you will see cracks in your research method and gaps in your statistical analysis.   You will be left with unanswered questions, which will make your project less effective and cost more.

When I come in on projects to solve research-related problems, one of my first questions is always “What does the literature say?” Many times problems that come up in the research method or statistical analysis can be traced back to an incomplete literature review.

Just do it.

By reviewing the literature before you start any project, you will save yourself time, effort, and money.  You may typically think of a literature review as something that is only required of graduate students completing a thesis or dissertation. However, business owners, market researchers, and others can all benefit from seeing what has already been done.

Having been a graduate student, then spending several years in academia, and now working in business for myself, I have seen the benefits from every angle. Although we all like to think our ideas are entirely original, they are not, and our success is going to come from knowing and improving on what already exists.

Just start it.

First, figure out what the purpose is in doing the literature review.  Ask yourself what you want to know when you are done reviewing the literature.

Are you trying to get a general sense of the topic?  Or do you need a comprehensive understanding of the topic plus in-depth knowledge of all the technical terms? Are you trying to learn how variables are typically measured in a particular industry? Or do you need to create a conceptual model to inform your statistical analysis?

Then, using the appropriate resources, type in words describing your main topic and go from there.  If you feel you haven’t found as many resources as you need but are stuck in your searching, be creative.

For example, if you are doing a literature review on education but all the keywords you can think of are education, training, and teaching, use the Visual Thesaurus to generate new keywords.  Or ask someone else what she thinks of when she hears the word “education.”

Another way is to see what words were used to index the articles you have already found.  These words may be found in the abstract, citation, or at the beginning or end of the article.  It is easy to get a mind block even after only a few hours of looking at laundry lists of articles.

Use the appropriate resources.

If you are doing an academic paper, do an academic literature review and avoid referencing popular mainstream publications. If you are doing market research, industry publications will likely be more helpful than academic journals.  If you would like to get a general overview of the topic, popular mainstream publications may be appropriate. In the next post, I’ll talk about where to find your resources.

Know when to stop.

I remember doing my master’s thesis and feeling overwhelmed at the thought of having to find every single article on my topic until I realized that would be impossible with the time, energy, and resources I had.

To know when you should stop, you must first determine what the purpose is of your literature review (see “Just Start It” above). Evaluate whether or not you have identified the articles that provided the foundation for your topic or took your topic in a new direction.

Foundational articles are the articles that are referenced in almost every other subsequent article because the authors were the first to start talking about the topic.  Innovative articles may be the subject of a special journal issue or the focus of published back-and-forth commentary between well-known experts in a field.

Once you have evaluated your articles and determined that the original purpose of the literature review has been fulfilled, you are likely done!

About the Author: With expertise in human behavior and research, Ursula Saqui, Ph.D. gives clarity and direction to her clients’ projects, which inevitably lead to better results and strategies. She is the founder of Saqui Research.

Reader Interactions

October 13, 2010 at 9:29 pm

I would need a few more details to be helpful to you. Please feel free to contact me directly: [email protected] .

October 13, 2010 at 6:32 am

im doing a research on records management, can you please help me with related literature.

September 27, 2010 at 4:38 pm

If you are not finding any thing specific to purchasing, you may need to broaden your search and start with unethical behaviors in business. You may be able to then take some of the research in that area and apply it to purchasing. Or you may need to search under a concept such as “supply chain management,” as much purchasing occurs within a supply chain.

In doing a quick search, I found this article that deals with purchasing and may also have some helpful articles listed in the references.

Precursors of Unethical Behavior in Global Supplier Management. By Carter, Craig R. Publication: Journal of Supply Chain Management Date: Saturday, January 1 2000 http://www.allbusiness.com/human-resources/employee-development/458797-1.html

Good luck! Feel free to contact me directly if I can be helpful: [email protected] .

September 27, 2010 at 5:21 am

im doing research on unethical behaviors found in the purchasing departments. but i dont seen to be getting much literature review. can you help.

April 23, 2010 at 5:03 pm

Great question Debra! I see people in organizations buy into research initiatives when the process and outcomes connect with what they value. For example, if the nurses value improved patient care and better scheduling procedures, will the research initiative address these areas? If so, you are more likely to get buy in. If not, it will be very difficult to engage them in this initiative. As the nurses are stakeholders in this organizational initiative, you are right to be concerned about engaging them.

April 23, 2010 at 2:25 pm

What experiences do you have getting staff nurses at the bedside to buy into this? We are still at the infancy stage of developing a research and evidence-based culture, most are busy staff nurses with little time. debra

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Chapter 1: Introduction

Learning objectives.

At the conclusion of this chapter, you will be able to:

• Identify the purpose of the literature review in  the research process
• Distinguish between different types of literature reviews

1.1 What is a Literature Review?

Pick up nearly any book on research methods and you will find a description of a literature review.  At a basic level, the term implies a survey of factual or nonfiction books, articles, and other documents published on a particular subject.  Definitions may be similar across the disciplines, with new types and definitions continuing to emerge.  Generally speaking, a literature review is a:

• “comprehensive background of the literature within the interested topic area…” ( O’Gorman & MacIntosh, 2015, p. 31 ).
• “critical component of the research process that provides an in-depth analysis of recently published research findings in specifically identified areas of interest.” ( House, 2018, p. 109 ).
• “written document that presents a logically argued case founded on a comprehensive understanding of the current state of knowledge about a topic of study” ( Machi & McEvoy,  2012, p. 4 ).

As a foundation for knowledge advancement in every discipline, it is an important element of any research project.  At the graduate or doctoral level, the literature review is an essential feature of thesis and dissertation, as well as grant proposal writing.  That is to say, “A substantive, thorough, sophisticated literature review is a precondition for doing substantive, thorough, sophisticated research…A researcher cannot perform significant research without first understanding the literature in the field.” ( Boote & Beile, 2005, p. 3 ).  It is by this means, that a researcher demonstrates familiarity with a body of knowledge and thereby establishes credibility with a reader.  An advanced-level literature review shows how prior research is linked to a new project, summarizing and synthesizing what is known while identifying gaps in the knowledge base, facilitating theory development, closing areas where enough research already exists, and uncovering areas where more research is needed. ( Webster & Watson, 2002, p. xiii )

A graduate-level literature review is a compilation of the most significant previously published research on your topic. Unlike an annotated bibliography or a research paper you may have written as an undergraduate, your literature review will outline, evaluate and synthesize relevant research and relate those sources to your own thesis or research question. It is much more than a summary of all the related literature.

It is a type of writing that demonstrate the importance of your research by defining the main ideas and the relationship between them. A good literature review lays the foundation for the importance of your stated problem and research question.

Literature reviews:

• define a concept
• map the research terrain or scope
• systemize relationships between concepts
• identify gaps in the literature ( Rocco & Plathotnik, 2009, p. 128 )

The purpose of a literature review is to demonstrate that your research question  is meaningful. Additionally, you may review the literature of different disciplines to find deeper meaning and understanding of your topic. It is especially important to consider other disciplines when you do not find much on your topic in one discipline. You will need to search the cognate literature before claiming there is “little previous research” on your topic.

Well developed literature reviews involve numerous steps and activities. The literature review is an iterative process because you will do at least two of them: a preliminary search to learn what has been published in your area and whether there is sufficient support in the literature for moving ahead with your subject. After this first exploration, you will conduct a deeper dive into the literature to learn everything you can about the topic and its related issues.

Literature Review Tutorial

1.2 Literature Review Basics

An effective literature review must:

• Methodologically analyze and synthesize quality literature on a topic
• Provide a firm foundation to a topic or research area
• Provide a firm foundation for the selection of a research methodology
• Demonstrate that the proposed research contributes something new to the overall body of knowledge of advances the research field’s knowledge base. ( Levy & Ellis, 2006 ).

All literature reviews, whether they are qualitative, quantitative or both, will at some point:

• Introduce the topic and define its key terms
• Establish the importance of the topic
• Provide an overview of the amount of available literature and its types (for example: theoretical, statistical, speculative)
• Identify gaps in the literature
• Point out consistent finding across studies
• Arrive at a synthesis that organizes what is known about a topic
• Discusses possible implications and directions for future research

1.3 Types of Literature Reviews

There are many different types of literature reviews, however there are some shared characteristics or features.  Remember a comprehensive literature review is, at its most fundamental level, an original work based on an extensive critical examination and synthesis of the relevant literature on a topic. As a study of the research on a particular topic, it is arranged by key themes or findings, which may lead up to or link to the  research question.  In some cases, the research question will drive the type of literature review that is undertaken.

The following section includes brief descriptions of the terms used to describe different literature review types with examples of each.   The included citations are open access, Creative Commons licensed or copyright-restricted.

1.3.1 Types of Review

1.3.1.1 conceptual.

Guided by an understanding of basic issues rather than a research methodology. You are looking for key factors, concepts or variables and the presumed relationship between them. The goal of the conceptual literature review is to categorize and describe concepts relevant to your study or topic and outline a relationship between them. You will include relevant theory and empirical research.

Examples of a Conceptual Review:

• Education : The formality of learning science in everyday life: A conceptual literature review. ( Dohn, 2010 ).
• Education : Are we asking the right questions? A conceptual review of the educational development literature in higher education. ( Amundsen & Wilson, 2012 ).

1.3.1.2 Empirical

An empirical literature review collects, creates, arranges, and analyzes numeric data reflecting the frequency of themes, topics, authors and/or methods found in existing literature. Empirical literature reviews present their summaries in quantifiable terms using descriptive and inferential statistics.

Examples of an Empirical Review:

• Nursing : False-positive findings in Cochrane meta-analyses with and without application of trial sequential analysis: An empirical review. ( Imberger, Thorlund, Gluud, & Wettersley, 2016 ).
• Education : Impediments of e-learning adoption in higher learning institutions of Tanzania: An empirical review ( Mwakyusa & Mwalyagile, 2016 ).

1.3.1.3 Exploratory

Unlike a synoptic literature review, the purpose here is to provide a broad approach to the topic area. The aim is breadth rather than depth and to get a general feel for the size of the topic area. A graduate student might do an exploratory review of the literature before beginning a synoptic, or more comprehensive one.

Examples of an Exploratory Review:

• Education : University research management: An exploratory literature review. ( Schuetzenmeister, 2010 ).
• Education : An exploratory review of design principles in constructivist gaming learning environments. ( Rosario & Widmeyer, 2009 ).

1.3.1.4 Focused

A type of literature review limited to a single aspect of previous research, such as methodology. A focused literature review generally will describe the implications of choosing a particular element of past research, such as methodology in terms of data collection, analysis and interpretation.

Examples of a Focused Review:

• Nursing : Clinical inertia in the management of type 2 diabetes mellitus: A focused literature review. ( Khunti, Davies, & Khunti, 2015 ).
• Education : Language awareness: Genre awareness-a focused review of the literature. ( Stainton, 1992 ).

1.3.1.5 Integrative

Critiques past research and draws overall conclusions from the body of literature at a specified point in time. Reviews, critiques, and synthesizes representative literature on a topic in an integrated way. Most integrative reviews are intended to address mature topics or  emerging topics. May require the author to adopt a guiding theory, a set of competing models, or a point of view about a topic.  For more description of integrative reviews, see Whittemore & Knafl (2005).

Examples of an Integrative Review:

• Nursing : Interprofessional teamwork and collaboration between community health workers and healthcare teams: An integrative review. ( Franklin,  Bernhardt, Lopez, Long-Middleton, & Davis, 2015 ).
• Education : Exploring the gap between teacher certification and permanent employment in Ontario: An integrative literature review. ( Brock & Ryan, 2016 ).

1.3.1.6 Meta-analysis

A subset of a  systematic review, that takes findings from several studies on the same subject and analyzes them using standardized statistical procedures to pool together data. Integrates findings from a large body of quantitative findings to enhance understanding, draw conclusions, and detect patterns and relationships. Gather data from many different, independent studies that look at the same research question and assess similar outcome measures. Data is combined and re-analyzed, providing a greater statistical power than any single study alone. It’s important to note that not every systematic review includes a meta-analysis but a meta-analysis can’t exist without a systematic review of the literature.

Examples of a Meta-Analysis:

• Education : Efficacy of the cooperative learning method on mathematics achievement and attitude: A meta-analysis research. ( Capar & Tarim, 2015 ).
• Nursing : A meta-analysis of the effects of non-traditional teaching methods on the critical thinking abilities of nursing students. ( Lee, Lee, Gong, Bae, & Choi, 2016 ).
• Education : Gender differences in student attitudes toward science: A meta-analysis of the literature from 1970 to 1991. ( Weinburgh, 1995 ).

1.3.1.7 Narrative/Traditional

An overview of research on a particular topic that critiques and summarizes a body of literature. Typically broad in focus. Relevant past research is selected and synthesized into a coherent discussion. Methodologies, findings and limits of the existing body of knowledge are discussed in narrative form. Sometimes also referred to as a traditional literature review. Requires a sufficiently focused research question. The process may be subject to bias that supports the researcher’s own work.

Examples of a Narrative/Traditional Review:

• Nursing : Family carers providing support to a person dying in the home setting: A narrative literature review. ( Morris, King, Turner, & Payne, 2015 ).
• Education : Adventure education and Outward Bound: Out-of-class experiences that make a lasting difference. ( Hattie, Marsh, Neill, & Richards, 1997 ).
• Education : Good quality discussion is necessary but not sufficient in asynchronous tuition: A brief narrative review of the literature. ( Fear & Erikson-Brown, 2014 ).
• Nursing : Outcomes of physician job satisfaction: A narrative review, implications, and directions for future research. ( Williams & Skinner, 2003 ).

1.3.1.8 Realist

Aspecific type of literature review that is theory-driven and interpretative and is intended to explain the outcomes of a complex intervention program(s).

Examples of a Realist Review:

• Nursing : Lean thinking in healthcare: A realist review of the literature. ( Mazzacato, Savage, Brommels, 2010 ).
• Education : Unravelling quality culture in higher education: A realist review. ( Bendermacher, Egbrink, Wolfhagen, & Dolmans, 2017 ).

1.3.1.9 Scoping

Tend to be non-systematic and focus on breadth of coverage conducted on a topic rather than depth. Utilize a wide range of materials; may not evaluate the quality of the studies as much as count the number. One means of understanding existing literature. Aims to identify nature and extent of research; preliminary assessment of size and scope of available research on topic. May include research in progress.

Examples of a Scoping Review:

• Nursing : Organizational interventions improving access to community-based primary health care for vulnerable populations: A scoping review. ( Khanassov, Pluye, Descoteaux, Haggerty,  Russell, Gunn, & Levesque, 2016 ).
• Education : Interdisciplinary doctoral research supervision: A scoping review. ( Vanstone, Hibbert, Kinsella, McKenzie, Pitman, & Lingard, 2013 ).
• Nursing : A scoping review of the literature on the abolition of user fees in health care services in Africa. ( Ridde, & Morestin, 2011 ).

1.3.1.10 Synoptic

Unlike an exploratory review, the purpose is to provide a concise but accurate overview of all material that appears to be relevant to a chosen topic. Both content and methodological material is included. The review should aim to be both descriptive and evaluative. Summarizes previous studies while also showing how the body of literature could be extended and improved in terms of content and method by identifying gaps.

Examples of a Synoptic Review:

• Education : Theoretical framework for educational assessment: A synoptic review. ( Ghaicha, 2016 ).
• Education : School effects research: A synoptic review of past efforts and some suggestions for the future. ( Cuttance, 1981 ).

1.3.1.11 Systematic Review

A rigorous review that follows a strict methodology designed with a presupposed selection of literature reviewed.  Undertaken to clarify the state of existing research, the evidence, and possible implications that can be drawn from that.  Using comprehensive and exhaustive searching of the published and unpublished literature, searching various databases, reports, and grey literature.  Transparent and reproducible in reporting details of time frame, search and methods to minimize bias.  Must include a team of at least 2-3 and includes the critical appraisal of the literature.  For more description of systematic reviews, including links to protocols, checklists, workflow processes, and structure see “ A Young Researcher’s Guide to a Systematic Review “.

Examples of a Systematic Review:

• Education : The potentials of using cloud computing in schools: A systematic literature review ( Hartmann, Braae, Pedersen, & Khalid, 2017 )
• Nursing : Is butter back? A systematic review and meta-analysis of butter consumption and risk of cardiovascular disease, diabetes, and total mortality. ( Pimpin, Wu, Haskelberg, Del Gobbo, & Mozaffarian, 2016 ).
• Education : The use of research to improve professional practice: a systematic review of the literature. ( Hemsley-Brown & Sharp, 2003 ).
• Nursing : Using computers to self-manage type 2 diabetes. ( Pal, Eastwood, Michie, Farmer, Barnard, Peacock, Wood, Inniss, & Murray, 2013 ).

1.3.1.12 Umbrella/Overview of Reviews

Compiles evidence from multiple systematic reviews into one document. Focuses on broad condition or problem for which there are competing interventions and highlights reviews that address those interventions and their effects. Often used in recommendations for practice.

Examples of an Umbrella/Overview Review:

• Education : Reflective practice in healthcare education: An umbrella review. ( Fragknos, 2016 ).
• Nursing : Systematic reviews of psychosocial interventions for autism: an umbrella review. ( Seida, Ospina, Karkhaneh, Hartling, Smith, & Clark, 2009 ).

For a brief discussion see “ Not all literature reviews are the same ” (Thomson, 2013).

1.4 Why do a Literature Review?

The purpose of the literature review is the same regardless of the topic or research method. It tests your own research question against what is already known about the subject.

1.4.1 First – It’s part of the whole. Omission of a literature review chapter or section in a graduate-level project represents a serious void or absence of critical element in the research process.

The outcome of your review is expected to demonstrate that you:

• can systematically explore the research in your topic area
• can read and critically analyze the literature in your discipline and then use it appropriately to advance your own work
• have sufficient knowledge in the topic to undertake further investigation

1.4.2 Second – It’s good for you!

• You improve your skills as a researcher
• You become familiar with the discourse of your discipline and learn how to be a scholar in your field
• You learn through writing your ideas and finding your voice in your subject area
• You define, redefine and clarify your research question for yourself in the process

1.4.3 Third – It’s good for your reader. Your reader expects you to have done the hard work of gathering, evaluating and synthesizes the literature.  When you do a literature review you:

• Set the context for the topic and present its significance
• Identify what’s important to know about your topic – including individual material, prior research, publications, organizations and authors.
• Demonstrate relationships among prior research
• Establish limitations of existing knowledge
• Analyze trends in the topic’s treatment and gaps in the literature

1.4.4 Why do a literature review?

• To locate gaps in the literature of your discipline
• To avoid reinventing the wheel
• To carry on where others have already been
• To identify other people working in the same field
• To increase your breadth of knowledge in your subject area
• To find the seminal works in your field
• To provide intellectual context for your own work
• To acknowledge opposing viewpoints
• To put your work in perspective
• To demonstrate you can discover and retrieve previous work in the area

1.5 Common Literature Review Errors

Graduate-level literature reviews are more than a summary of the publications you find on a topic.  As you have seen in this brief introduction, literature reviews are a very specific type of research, analysis, and writing.  We will explore these topics more in the next chapters.  Some things to keep in mind as you begin your own research and writing are ways to avoid the most common errors seen in the first attempt at a literature review.  For a quick review of some of the pitfalls and challenges a new researcher faces when he/she begins work, see “ Get Ready: Academic Writing, General Pitfalls and (oh yes) Getting Started! ”.

As you begin your own graduate-level literature review, try to avoid these common mistakes:

• Accepts another researcher’s finding as valid without evaluating methodology and data
• Contrary findings and alternative interpretations are not considered or mentioned
• Findings are not clearly related to one’s own study, or findings are too general
• Insufficient time allowed to define best search strategies and writing
• Isolated statistical results are simply reported rather than synthesizing the results
• Problems with selecting and using most relevant keywords, subject headings and descriptors
• Relies too heavily on secondary sources
• Search methods are not recorded or reported for transparency
• Summarizes rather than synthesizes articles

In conclusion, the purpose of a literature review is three-fold:

• to survey the current state of knowledge or evidence in the area of inquiry,
• to identify key authors, articles, theories, and findings in that area, and
• to identify gaps in knowledge in that research area.

A literature review is commonly done today using computerized keyword searches in online databases, often working with a trained librarian or information expert. Keywords can be combined using the Boolean operators, “and”, “or” and sometimes “not”  to narrow down or expand the search results. Once a list of articles is generated from the keyword and subject heading search, the researcher must then manually browse through each title and abstract, to determine the suitability of that article before a full-text article is obtained for the research question.

Literature reviews should be reasonably complete, and not restricted to a few journals, a few years, or a specific methodology or research design. Reviewed articles may be summarized in the form of tables, and can be further structured using organizing frameworks such as a concept matrix.

A well-conducted literature review should indicate whether the initial research questions have already been addressed in the literature, whether there are newer or more interesting research questions available, and whether the original research questions should be modified or changed in light of findings of the literature review.

The review can also provide some intuitions or potential answers to the questions of interest and/or help identify theories that have previously been used to address similar questions and may provide evidence to inform policy or decision-making. ( Bhattacherjee, 2012 ).

Read Abstract 1.  Refer to Types of Literature Reviews.  What type of literature review do you think this study is and why?  See the Answer Key for the correct response.

Nursing : To describe evidence of international literature on the safe care of the hospitalised child after the World Alliance for Patient Safety and list contributions of the general theoretical framework of patient safety for paediatric nursing.

An integrative literature review between 2004 and 2015 using the databases PubMed, Cumulative Index of Nursing and Allied Health Literature (CINAHL), Scopus, Web of Science and Wiley Online Library, and the descriptors Safety or Patient safety, Hospitalised child, Paediatric nursing, and Nursing care.

Thirty-two articles were analysed, most of which were from North American, with a descriptive approach. The quality of the recorded information in the medical records, the use of checklists, and the training of health workers contribute to safe care in paediatric nursing and improve the medication process and partnerships with parents.

General information available on patient safety should be incorporated in paediatric nursing care. ( Wegner, Silva, Peres, Bandeira, Frantz, Botene, & Predebon, 2017 ).

Read Abstract 2.  Refer to Types of Literature Reviews.  What type of lit review do you think this study is and why?  See the Answer Key for the correct response.

Education : The focus of this paper centers around timing associated with early childhood education programs and interventions using meta-analytic methods. At any given assessment age, a child’s current age equals starting age, plus duration of program, plus years since program ended. Variability in assessment ages across the studies should enable everyone to identify the separate effects of all three time-related components. The project is a meta-analysis of evaluation studies of early childhood education programs conducted in the United States and its territories between 1960 and 2007. The population of interest is children enrolled in early childhood education programs between the ages of 0 and 5 and their control-group counterparts. Since the data come from a meta-analysis, the population for this study is drawn from many different studies with diverse samples. Given the preliminary nature of their analysis, the authors cannot offer conclusions at this point. ( Duncan, Leak, Li, Magnuson, Schindler, & Yoshikawa, 2011 ).

Test Yourself

See Answer Key for the correct responses.

The purpose of a graduate-level literature review is to summarize in as many words as possible everything that is known about my topic.

A literature review is significant because in the process of doing one, the researcher learns to read and critically assess the literature of a discipline and then uses it appropriately to advance his/her own research.

Read the following abstract and choose the correct type of literature review it represents.

Nursing: E-cigarette use has become increasingly popular, especially among the young. Its long-term influence upon health is unknown. Aim of this review has been to present the current state of knowledge about the impact of e-cigarette use on health, with an emphasis on Central and Eastern Europe. During the preparation of this narrative review, the literature on e-cigarettes available within the network PubMed was retrieved and examined. In the final review, 64 research papers were included. We specifically assessed the construction and operation of the e-cigarette as well as the chemical composition of the e-liquid; the impact that vapor arising from the use of e-cigarette explored in experimental models in vitro; and short-term effects of use of e-cigarettes on users’ health. Among the substances inhaled by the e-smoker, there are several harmful products, such as: formaldehyde, acetaldehyde, acroleine, propanal, nicotine, acetone, o-methyl-benzaldehyde, carcinogenic nitrosamines. Results from experimental animal studies indicate the negative impact of e-cigarette exposure on test models, such as ascytotoxicity, oxidative stress, inflammation, airway hyper reactivity, airway remodeling, mucin production, apoptosis, and emphysematous changes. The short-term impact of e-cigarettes on human health has been studied mostly in experimental setting. Available evidence shows that the use of e-cigarettes may result in acute lung function responses (e.g., increase in impedance, peripheral airway flow resistance) and induce oxidative stress. Based on the current available evidence, e-cigarette use is associated with harmful biologic responses, although it may be less harmful than traditional cigarettes. (J ankowski, Brożek, Lawson, Skoczyński, & Zejda, 2017 ).

• Meta-analysis
• Exploratory

Education: In this review, Mary Vorsino writes that she is interested in keeping the potential influences of women pragmatists of Dewey’s day in mind while presenting modern feminist re readings of Dewey. She wishes to construct a narrowly-focused and succinct literature review of thinkers who have donned a feminist lens to analyze Dewey’s approaches to education, learning, and democracy and to employ Dewey’s works in theorizing on gender and education and on gender in society. This article first explores Dewey as both an ally and a problematic figure in feminist literature and then investigates the broader sphere of feminist pragmatism and two central themes within it: (1) valuing diversity, and diverse experiences; and (2) problematizing fixed truths. ( Vorsino, 2015 ).

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• What is a Literature Review? | Guide, Template, & Examples

What is a Literature Review? | Guide, Template, & Examples

Published on 22 February 2022 by Shona McCombes . Revised on 7 June 2022.

What is a literature review? A literature review is a survey of scholarly sources on a specific topic. It provides an overview of current knowledge, allowing you to identify relevant theories, methods, and gaps in the existing research.

There are five key steps to writing a literature review:

• Search for relevant literature
• Evaluate sources
• Identify themes, debates and gaps
• Outline the structure
• Write your literature review

A good literature review doesn’t just summarise sources – it analyses, synthesises, and critically evaluates to give a clear picture of the state of knowledge on the subject.

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Table of contents

Why write a literature review, examples of literature reviews, step 1: search for relevant literature, step 2: evaluate and select sources, step 3: identify themes, debates and gaps, step 4: outline your literature review’s structure, step 5: write your literature review, frequently asked questions about literature reviews, introduction.

• Quick Run-through
• Step 1 & 2

When you write a dissertation or thesis, you will have to conduct a literature review to situate your research within existing knowledge. The literature review gives you a chance to:

• Demonstrate your familiarity with the topic and scholarly context
• Develop a theoretical framework and methodology for your research
• Position yourself in relation to other researchers and theorists
• Show how your dissertation addresses a gap or contributes to a debate

You might also have to write a literature review as a stand-alone assignment. In this case, the purpose is to evaluate the current state of research and demonstrate your knowledge of scholarly debates around a topic.

The content will look slightly different in each case, but the process of conducting a literature review follows the same steps. We’ve written a step-by-step guide that you can follow below.

Prevent plagiarism, run a free check.

Writing literature reviews can be quite challenging! A good starting point could be to look at some examples, depending on what kind of literature review you’d like to write.

• Example literature review #1: “Why Do People Migrate? A Review of the Theoretical Literature” ( Theoretical literature review about the development of economic migration theory from the 1950s to today.)
• Example literature review #2: “Literature review as a research methodology: An overview and guidelines” ( Methodological literature review about interdisciplinary knowledge acquisition and production.)
• Example literature review #3: “The Use of Technology in English Language Learning: A Literature Review” ( Thematic literature review about the effects of technology on language acquisition.)
• Example literature review #4: “Learners’ Listening Comprehension Difficulties in English Language Learning: A Literature Review” ( Chronological literature review about how the concept of listening skills has changed over time.)

You can also check out our templates with literature review examples and sample outlines at the links below.

Download Word doc Download Google doc

Before you begin searching for literature, you need a clearly defined topic .

If you are writing the literature review section of a dissertation or research paper, you will search for literature related to your research objectives and questions .

If you are writing a literature review as a stand-alone assignment, you will have to choose a focus and develop a central question to direct your search. Unlike a dissertation research question, this question has to be answerable without collecting original data. You should be able to answer it based only on a review of existing publications.

Make a list of keywords

Start by creating a list of keywords related to your research topic. Include each of the key concepts or variables you’re interested in, and list any synonyms and related terms. You can add to this list if you discover new keywords in the process of your literature search.

• Social media, Facebook, Instagram, Twitter, Snapchat, TikTok
• Body image, self-perception, self-esteem, mental health
• Generation Z, teenagers, adolescents, youth

Search for relevant sources

Use your keywords to begin searching for sources. Some databases to search for journals and articles include:

• Your university’s library catalogue
• Google Scholar
• Project Muse (humanities and social sciences)
• Medline (life sciences and biomedicine)
• EconLit (economics)
• Inspec (physics, engineering and computer science)

You can use boolean operators to help narrow down your search:

Read the abstract to find out whether an article is relevant to your question. When you find a useful book or article, you can check the bibliography to find other relevant sources.

To identify the most important publications on your topic, take note of recurring citations. If the same authors, books or articles keep appearing in your reading, make sure to seek them out.

You probably won’t be able to read absolutely everything that has been written on the topic – you’ll have to evaluate which sources are most relevant to your questions.

For each publication, ask yourself:

• What question or problem is the author addressing?
• What are the key concepts and how are they defined?
• What are the key theories, models and methods? Does the research use established frameworks or take an innovative approach?
• What are the results and conclusions of the study?
• How does the publication relate to other literature in the field? Does it confirm, add to, or challenge established knowledge?
• How does the publication contribute to your understanding of the topic? What are its key insights and arguments?
• What are the strengths and weaknesses of the research?

Make sure the sources you use are credible, and make sure you read any landmark studies and major theories in your field of research.

You can find out how many times an article has been cited on Google Scholar – a high citation count means the article has been influential in the field, and should certainly be included in your literature review.

The scope of your review will depend on your topic and discipline: in the sciences you usually only review recent literature, but in the humanities you might take a long historical perspective (for example, to trace how a concept has changed in meaning over time).

Remember that you can use our template to summarise and evaluate sources you’re thinking about using!

Take notes and cite your sources

As you read, you should also begin the writing process. Take notes that you can later incorporate into the text of your literature review.

It’s important to keep track of your sources with references to avoid plagiarism . It can be helpful to make an annotated bibliography, where you compile full reference information and write a paragraph of summary and analysis for each source. This helps you remember what you read and saves time later in the process.

You can use our free APA Reference Generator for quick, correct, consistent citations.

To begin organising your literature review’s argument and structure, you need to understand the connections and relationships between the sources you’ve read. Based on your reading and notes, you can look for:

• Trends and patterns (in theory, method or results): do certain approaches become more or less popular over time?
• Themes: what questions or concepts recur across the literature?
• Debates, conflicts and contradictions: where do sources disagree?
• Pivotal publications: are there any influential theories or studies that changed the direction of the field?
• Gaps: what is missing from the literature? Are there weaknesses that need to be addressed?

This step will help you work out the structure of your literature review and (if applicable) show how your own research will contribute to existing knowledge.

• Most research has focused on young women.
• There is an increasing interest in the visual aspects of social media.
• But there is still a lack of robust research on highly-visual platforms like Instagram and Snapchat – this is a gap that you could address in your own research.

There are various approaches to organising the body of a literature review. You should have a rough idea of your strategy before you start writing.

Depending on the length of your literature review, you can combine several of these strategies (for example, your overall structure might be thematic, but each theme is discussed chronologically).

Chronological

The simplest approach is to trace the development of the topic over time. However, if you choose this strategy, be careful to avoid simply listing and summarising sources in order.

Try to analyse patterns, turning points and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred.

If you have found some recurring central themes, you can organise your literature review into subsections that address different aspects of the topic.

For example, if you are reviewing literature about inequalities in migrant health outcomes, key themes might include healthcare policy, language barriers, cultural attitudes, legal status, and economic access.

Methodological

If you draw your sources from different disciplines or fields that use a variety of research methods , you might want to compare the results and conclusions that emerge from different approaches. For example:

• Look at what results have emerged in qualitative versus quantitative research
• Discuss how the topic has been approached by empirical versus theoretical scholarship
• Divide the literature into sociological, historical, and cultural sources

Theoretical

A literature review is often the foundation for a theoretical framework . You can use it to discuss various theories, models, and definitions of key concepts.

You might argue for the relevance of a specific theoretical approach, or combine various theoretical concepts to create a framework for your research.

Like any other academic text, your literature review should have an introduction , a main body, and a conclusion . What you include in each depends on the objective of your literature review.

The introduction should clearly establish the focus and purpose of the literature review.

If you are writing the literature review as part of your dissertation or thesis, reiterate your central problem or research question and give a brief summary of the scholarly context. You can emphasise the timeliness of the topic (“many recent studies have focused on the problem of x”) or highlight a gap in the literature (“while there has been much research on x, few researchers have taken y into consideration”).

Depending on the length of your literature review, you might want to divide the body into subsections. You can use a subheading for each theme, time period, or methodological approach.

As you write, make sure to follow these tips:

• Summarise and synthesise: give an overview of the main points of each source and combine them into a coherent whole.
• Analyse and interpret: don’t just paraphrase other researchers – add your own interpretations, discussing the significance of findings in relation to the literature as a whole.
• Critically evaluate: mention the strengths and weaknesses of your sources.
• Write in well-structured paragraphs: use transitions and topic sentences to draw connections, comparisons and contrasts.

In the conclusion, you should summarise the key findings you have taken from the literature and emphasise their significance.

If the literature review is part of your dissertation or thesis, reiterate how your research addresses gaps and contributes new knowledge, or discuss how you have drawn on existing theories and methods to build a framework for your research. This can lead directly into your methodology section.

A literature review is a survey of scholarly sources (such as books, journal articles, and theses) related to a specific topic or research question .

It is often written as part of a dissertation , thesis, research paper , or proposal .

There are several reasons to conduct a literature review at the beginning of a research project:

• To familiarise yourself with the current state of knowledge on your topic
• To ensure that you’re not just repeating what others have already done
• To identify gaps in knowledge and unresolved problems that your research can address
• To develop your theoretical framework and methodology
• To provide an overview of the key findings and debates on the topic

Writing the literature review shows your reader how your work relates to existing research and what new insights it will contribute.

The literature review usually comes near the beginning of your  dissertation . After the introduction , it grounds your research in a scholarly field and leads directly to your theoretical framework or methodology .

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• UConn Library
• Literature Review: The What, Why and How-to Guide
• Introduction

Literature Review: The What, Why and How-to Guide — Introduction

• Getting Started
• How to Pick a Topic
• Strategies to Find Sources
• Evaluating Sources & Lit. Reviews
• Tips for Writing Literature Reviews
• Writing Literature Review: Useful Sites
• Citation Resources
• Other Academic Writings

What are Literature Reviews?

So, what is a literature review? "A literature review is an account of what has been published on a topic by accredited scholars and researchers. In writing the literature review, your purpose is to convey to your reader what knowledge and ideas have been established on a topic, and what their strengths and weaknesses are. As a piece of writing, the literature review must be defined by a guiding concept (e.g., your research objective, the problem or issue you are discussing, or your argumentative thesis). It is not just a descriptive list of the material available, or a set of summaries." Taylor, D.  The literature review: A few tips on conducting it . University of Toronto Health Sciences Writing Centre.

Goals of Literature Reviews

What are the goals of creating a Literature Review?  A literature could be written to accomplish different aims:

• To develop a theory or evaluate an existing theory
• To summarize the historical or existing state of a research topic
• Identify a problem in a field of research 

Baumeister, R. F., & Leary, M. R. (1997). Writing narrative literature reviews .  Review of General Psychology , 1 (3), 311-320.

What kinds of sources require a Literature Review?

• A research paper assigned in a course
• A thesis or dissertation
• A grant proposal
• An article intended for publication in a journal

All these instances require you to collect what has been written about your research topic so that you can demonstrate how your own research sheds new light on the topic.

Types of Literature Reviews

What kinds of literature reviews are written?

Narrative review: The purpose of this type of review is to describe the current state of the research on a specific topic/research and to offer a critical analysis of the literature reviewed. Studies are grouped by research/theoretical categories, and themes and trends, strengths and weakness, and gaps are identified. The review ends with a conclusion section which summarizes the findings regarding the state of the research of the specific study, the gaps identify and if applicable, explains how the author's research will address gaps identify in the review and expand the knowledge on the topic reviewed.

• Example : Predictors and Outcomes of U.S. Quality Maternity Leave: A Review and Conceptual Framework:  10.1177/08948453211037398  

Systematic review : "The authors of a systematic review use a specific procedure to search the research literature, select the studies to include in their review, and critically evaluate the studies they find." (p. 139). Nelson, L. K. (2013). Research in Communication Sciences and Disorders . Plural Publishing.

• Example : The effect of leave policies on increasing fertility: a systematic review:  10.1057/s41599-022-01270-w

Meta-analysis : "Meta-analysis is a method of reviewing research findings in a quantitative fashion by transforming the data from individual studies into what is called an effect size and then pooling and analyzing this information. The basic goal in meta-analysis is to explain why different outcomes have occurred in different studies." (p. 197). Roberts, M. C., & Ilardi, S. S. (2003). Handbook of Research Methods in Clinical Psychology . Blackwell Publishing.

• Example : Employment Instability and Fertility in Europe: A Meta-Analysis:  10.1215/00703370-9164737

Meta-synthesis : "Qualitative meta-synthesis is a type of qualitative study that uses as data the findings from other qualitative studies linked by the same or related topic." (p.312). Zimmer, L. (2006). Qualitative meta-synthesis: A question of dialoguing with texts .  Journal of Advanced Nursing , 53 (3), 311-318.

• Example : Women’s perspectives on career successes and barriers: A qualitative meta-synthesis:  10.1177/05390184221113735

Literature Reviews in the Health Sciences

• UConn Health subject guide on systematic reviews Explanation of the different review types used in health sciences literature as well as tools to help you find the right review type
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• CBE Life Sci Educ
• v.21(3); Fall 2022

Literature Reviews, Theoretical Frameworks, and Conceptual Frameworks: An Introduction for New Biology Education Researchers

Julie a. luft.

† Department of Mathematics, Social Studies, and Science Education, Mary Frances Early College of Education, University of Georgia, Athens, GA 30602-7124

Sophia Jeong

‡ Department of Teaching & Learning, College of Education & Human Ecology, Ohio State University, Columbus, OH 43210

Robert Idsardi

§ Department of Biology, Eastern Washington University, Cheney, WA 99004

Grant Gardner

∥ Department of Biology, Middle Tennessee State University, Murfreesboro, TN 37132

Associated Data

To frame their work, biology education researchers need to consider the role of literature reviews, theoretical frameworks, and conceptual frameworks as critical elements of the research and writing process. However, these elements can be confusing for scholars new to education research. This Research Methods article is designed to provide an overview of each of these elements and delineate the purpose of each in the educational research process. We describe what biology education researchers should consider as they conduct literature reviews, identify theoretical frameworks, and construct conceptual frameworks. Clarifying these different components of educational research studies can be helpful to new biology education researchers and the biology education research community at large in situating their work in the broader scholarly literature.

INTRODUCTION

Discipline-based education research (DBER) involves the purposeful and situated study of teaching and learning in specific disciplinary areas ( Singer et al. , 2012 ). Studies in DBER are guided by research questions that reflect disciplines’ priorities and worldviews. Researchers can use quantitative data, qualitative data, or both to answer these research questions through a variety of methodological traditions. Across all methodologies, there are different methods associated with planning and conducting educational research studies that include the use of surveys, interviews, observations, artifacts, or instruments. Ensuring the coherence of these elements to the discipline’s perspective also involves situating the work in the broader scholarly literature. The tools for doing this include literature reviews, theoretical frameworks, and conceptual frameworks. However, the purpose and function of each of these elements is often confusing to new education researchers. The goal of this article is to introduce new biology education researchers to these three important elements important in DBER scholarship and the broader educational literature.

The first element we discuss is a review of research (literature reviews), which highlights the need for a specific research question, study problem, or topic of investigation. Literature reviews situate the relevance of the study within a topic and a field. The process may seem familiar to science researchers entering DBER fields, but new researchers may still struggle in conducting the review. Booth et al. (2016b) highlight some of the challenges novice education researchers face when conducting a review of literature. They point out that novice researchers struggle in deciding how to focus the review, determining the scope of articles needed in the review, and knowing how to be critical of the articles in the review. Overcoming these challenges (and others) can help novice researchers construct a sound literature review that can inform the design of the study and help ensure the work makes a contribution to the field.

The second and third highlighted elements are theoretical and conceptual frameworks. These guide biology education research (BER) studies, and may be less familiar to science researchers. These elements are important in shaping the construction of new knowledge. Theoretical frameworks offer a way to explain and interpret the studied phenomenon, while conceptual frameworks clarify assumptions about the studied phenomenon. Despite the importance of these constructs in educational research, biology educational researchers have noted the limited use of theoretical or conceptual frameworks in published work ( DeHaan, 2011 ; Dirks, 2011 ; Lo et al. , 2019 ). In reviewing articles published in CBE—Life Sciences Education ( LSE ) between 2015 and 2019, we found that fewer than 25% of the research articles had a theoretical or conceptual framework (see the Supplemental Information), and at times there was an inconsistent use of theoretical and conceptual frameworks. Clearly, these frameworks are challenging for published biology education researchers, which suggests the importance of providing some initial guidance to new biology education researchers.

Fortunately, educational researchers have increased their explicit use of these frameworks over time, and this is influencing educational research in science, technology, engineering, and mathematics (STEM) fields. For instance, a quick search for theoretical or conceptual frameworks in the abstracts of articles in Educational Research Complete (a common database for educational research) in STEM fields demonstrates a dramatic change over the last 20 years: from only 778 articles published between 2000 and 2010 to 5703 articles published between 2010 and 2020, a more than sevenfold increase. Greater recognition of the importance of these frameworks is contributing to DBER authors being more explicit about such frameworks in their studies.

Collectively, literature reviews, theoretical frameworks, and conceptual frameworks work to guide methodological decisions and the elucidation of important findings. Each offers a different perspective on the problem of study and is an essential element in all forms of educational research. As new researchers seek to learn about these elements, they will find different resources, a variety of perspectives, and many suggestions about the construction and use of these elements. The wide range of available information can overwhelm the new researcher who just wants to learn the distinction between these elements or how to craft them adequately.

Our goal in writing this paper is not to offer specific advice about how to write these sections in scholarly work. Instead, we wanted to introduce these elements to those who are new to BER and who are interested in better distinguishing one from the other. In this paper, we share the purpose of each element in BER scholarship, along with important points on its construction. We also provide references for additional resources that may be beneficial to better understanding each element. Table 1 summarizes the key distinctions among these elements.

Comparison of literature reviews, theoretical frameworks, and conceptual reviews

This article is written for the new biology education researcher who is just learning about these different elements or for scientists looking to become more involved in BER. It is a result of our own work as science education and biology education researchers, whether as graduate students and postdoctoral scholars or newly hired and established faculty members. This is the article we wish had been available as we started to learn about these elements or discussed them with new educational researchers in biology.

LITERATURE REVIEWS

Purpose of a literature review.

A literature review is foundational to any research study in education or science. In education, a well-conceptualized and well-executed review provides a summary of the research that has already been done on a specific topic and identifies questions that remain to be answered, thus illustrating the current research project’s potential contribution to the field and the reasoning behind the methodological approach selected for the study ( Maxwell, 2012 ). BER is an evolving disciplinary area that is redefining areas of conceptual emphasis as well as orientations toward teaching and learning (e.g., Labov et al. , 2010 ; American Association for the Advancement of Science, 2011 ; Nehm, 2019 ). As a result, building comprehensive, critical, purposeful, and concise literature reviews can be a challenge for new biology education researchers.

Building Literature Reviews

There are different ways to approach and construct a literature review. Booth et al. (2016a) provide an overview that includes, for example, scoping reviews, which are focused only on notable studies and use a basic method of analysis, and integrative reviews, which are the result of exhaustive literature searches across different genres. Underlying each of these different review processes are attention to the s earch process, a ppraisa l of articles, s ynthesis of the literature, and a nalysis: SALSA ( Booth et al. , 2016a ). This useful acronym can help the researcher focus on the process while building a specific type of review.

However, new educational researchers often have questions about literature reviews that are foundational to SALSA or other approaches. Common questions concern determining which literature pertains to the topic of study or the role of the literature review in the design of the study. This section addresses such questions broadly while providing general guidance for writing a narrative literature review that evaluates the most pertinent studies.

The literature review process should begin before the research is conducted. As Boote and Beile (2005 , p. 3) suggested, researchers should be “scholars before researchers.” They point out that having a good working knowledge of the proposed topic helps illuminate avenues of study. Some subject areas have a deep body of work to read and reflect upon, providing a strong foundation for developing the research question(s). For instance, the teaching and learning of evolution is an area of long-standing interest in the BER community, generating many studies (e.g., Perry et al. , 2008 ; Barnes and Brownell, 2016 ) and reviews of research (e.g., Sickel and Friedrichsen, 2013 ; Ziadie and Andrews, 2018 ). Emerging areas of BER include the affective domain, issues of transfer, and metacognition ( Singer et al. , 2012 ). Many studies in these areas are transdisciplinary and not always specific to biology education (e.g., Rodrigo-Peiris et al. , 2018 ; Kolpikova et al. , 2019 ). These newer areas may require reading outside BER; fortunately, summaries of some of these topics can be found in the Current Insights section of the LSE website.

In focusing on a specific problem within a broader research strand, a new researcher will likely need to examine research outside BER. Depending upon the area of study, the expanded reading list might involve a mix of BER, DBER, and educational research studies. Determining the scope of the reading is not always straightforward. A simple way to focus one’s reading is to create a “summary phrase” or “research nugget,” which is a very brief descriptive statement about the study. It should focus on the essence of the study, for example, “first-year nonmajor students’ understanding of evolution,” “metacognitive prompts to enhance learning during biochemistry,” or “instructors’ inquiry-based instructional practices after professional development programming.” This type of phrase should help a new researcher identify two or more areas to review that pertain to the study. Focusing on recent research in the last 5 years is a good first step. Additional studies can be identified by reading relevant works referenced in those articles. It is also important to read seminal studies that are more than 5 years old. Reading a range of studies should give the researcher the necessary command of the subject in order to suggest a research question.

Given that the research question(s) arise from the literature review, the review should also substantiate the selected methodological approach. The review and research question(s) guide the researcher in determining how to collect and analyze data. Often the methodological approach used in a study is selected to contribute knowledge that expands upon what has been published previously about the topic (see Institute of Education Sciences and National Science Foundation, 2013 ). An emerging topic of study may need an exploratory approach that allows for a description of the phenomenon and development of a potential theory. This could, but not necessarily, require a methodological approach that uses interviews, observations, surveys, or other instruments. An extensively studied topic may call for the additional understanding of specific factors or variables; this type of study would be well suited to a verification or a causal research design. These could entail a methodological approach that uses valid and reliable instruments, observations, or interviews to determine an effect in the studied event. In either of these examples, the researcher(s) may use a qualitative, quantitative, or mixed methods methodological approach.

Even with a good research question, there is still more reading to be done. The complexity and focus of the research question dictates the depth and breadth of the literature to be examined. Questions that connect multiple topics can require broad literature reviews. For instance, a study that explores the impact of a biology faculty learning community on the inquiry instruction of faculty could have the following review areas: learning communities among biology faculty, inquiry instruction among biology faculty, and inquiry instruction among biology faculty as a result of professional learning. Biology education researchers need to consider whether their literature review requires studies from different disciplines within or outside DBER. For the example given, it would be fruitful to look at research focused on learning communities with faculty in STEM fields or in general education fields that result in instructional change. It is important not to be too narrow or too broad when reading. When the conclusions of articles start to sound similar or no new insights are gained, the researcher likely has a good foundation for a literature review. This level of reading should allow the researcher to demonstrate a mastery in understanding the researched topic, explain the suitability of the proposed research approach, and point to the need for the refined research question(s).

The literature review should include the researcher’s evaluation and critique of the selected studies. A researcher may have a large collection of studies, but not all of the studies will follow standards important in the reporting of empirical work in the social sciences. The American Educational Research Association ( Duran et al. , 2006 ), for example, offers a general discussion about standards for such work: an adequate review of research informing the study, the existence of sound and appropriate data collection and analysis methods, and appropriate conclusions that do not overstep or underexplore the analyzed data. The Institute of Education Sciences and National Science Foundation (2013) also offer Common Guidelines for Education Research and Development that can be used to evaluate collected studies.

Because not all journals adhere to such standards, it is important that a researcher review each study to determine the quality of published research, per the guidelines suggested earlier. In some instances, the research may be fatally flawed. Examples of such flaws include data that do not pertain to the question, a lack of discussion about the data collection, poorly constructed instruments, or an inadequate analysis. These types of errors result in studies that are incomplete, error-laden, or inaccurate and should be excluded from the review. Most studies have limitations, and the author(s) often make them explicit. For instance, there may be an instructor effect, recognized bias in the analysis, or issues with the sample population. Limitations are usually addressed by the research team in some way to ensure a sound and acceptable research process. Occasionally, the limitations associated with the study can be significant and not addressed adequately, which leaves a consequential decision in the hands of the researcher. Providing critiques of studies in the literature review process gives the reader confidence that the researcher has carefully examined relevant work in preparation for the study and, ultimately, the manuscript.

A solid literature review clearly anchors the proposed study in the field and connects the research question(s), the methodological approach, and the discussion. Reviewing extant research leads to research questions that will contribute to what is known in the field. By summarizing what is known, the literature review points to what needs to be known, which in turn guides decisions about methodology. Finally, notable findings of the new study are discussed in reference to those described in the literature review.

Within published BER studies, literature reviews can be placed in different locations in an article. When included in the introductory section of the study, the first few paragraphs of the manuscript set the stage, with the literature review following the opening paragraphs. Cooper et al. (2019) illustrate this approach in their study of course-based undergraduate research experiences (CUREs). An introduction discussing the potential of CURES is followed by an analysis of the existing literature relevant to the design of CUREs that allows for novel student discoveries. Within this review, the authors point out contradictory findings among research on novel student discoveries. This clarifies the need for their study, which is described and highlighted through specific research aims.

A literature reviews can also make up a separate section in a paper. For example, the introduction to Todd et al. (2019) illustrates the need for their research topic by highlighting the potential of learning progressions (LPs) and suggesting that LPs may help mitigate learning loss in genetics. At the end of the introduction, the authors state their specific research questions. The review of literature following this opening section comprises two subsections. One focuses on learning loss in general and examines a variety of studies and meta-analyses from the disciplines of medical education, mathematics, and reading. The second section focuses specifically on LPs in genetics and highlights student learning in the midst of LPs. These separate reviews provide insights into the stated research question.

Suggestions and Advice

A well-conceptualized, comprehensive, and critical literature review reveals the understanding of the topic that the researcher brings to the study. Literature reviews should not be so big that there is no clear area of focus; nor should they be so narrow that no real research question arises. The task for a researcher is to craft an efficient literature review that offers a critical analysis of published work, articulates the need for the study, guides the methodological approach to the topic of study, and provides an adequate foundation for the discussion of the findings.

In our own writing of literature reviews, there are often many drafts. An early draft may seem well suited to the study because the need for and approach to the study are well described. However, as the results of the study are analyzed and findings begin to emerge, the existing literature review may be inadequate and need revision. The need for an expanded discussion about the research area can result in the inclusion of new studies that support the explanation of a potential finding. The literature review may also prove to be too broad. Refocusing on a specific area allows for more contemplation of a finding.

It should be noted that there are different types of literature reviews, and many books and articles have been written about the different ways to embark on these types of reviews. Among these different resources, the following may be helpful in considering how to refine the review process for scholarly journals:

• Booth, A., Sutton, A., & Papaioannou, D. (2016a). Systemic approaches to a successful literature review (2nd ed.). Los Angeles, CA: Sage. This book addresses different types of literature reviews and offers important suggestions pertaining to defining the scope of the literature review and assessing extant studies.
• Booth, W. C., Colomb, G. G., Williams, J. M., Bizup, J., & Fitzgerald, W. T. (2016b). The craft of research (4th ed.). Chicago: University of Chicago Press. This book can help the novice consider how to make the case for an area of study. While this book is not specifically about literature reviews, it offers suggestions about making the case for your study.
• Galvan, J. L., & Galvan, M. C. (2017). Writing literature reviews: A guide for students of the social and behavioral sciences (7th ed.). Routledge. This book offers guidance on writing different types of literature reviews. For the novice researcher, there are useful suggestions for creating coherent literature reviews.

THEORETICAL FRAMEWORKS

Purpose of theoretical frameworks.

As new education researchers may be less familiar with theoretical frameworks than with literature reviews, this discussion begins with an analogy. Envision a biologist, chemist, and physicist examining together the dramatic effect of a fog tsunami over the ocean. A biologist gazing at this phenomenon may be concerned with the effect of fog on various species. A chemist may be interested in the chemical composition of the fog as water vapor condenses around bits of salt. A physicist may be focused on the refraction of light to make fog appear to be “sitting” above the ocean. While observing the same “objective event,” the scientists are operating under different theoretical frameworks that provide a particular perspective or “lens” for the interpretation of the phenomenon. Each of these scientists brings specialized knowledge, experiences, and values to this phenomenon, and these influence the interpretation of the phenomenon. The scientists’ theoretical frameworks influence how they design and carry out their studies and interpret their data.

Within an educational study, a theoretical framework helps to explain a phenomenon through a particular lens and challenges and extends existing knowledge within the limitations of that lens. Theoretical frameworks are explicitly stated by an educational researcher in the paper’s framework, theory, or relevant literature section. The framework shapes the types of questions asked, guides the method by which data are collected and analyzed, and informs the discussion of the results of the study. It also reveals the researcher’s subjectivities, for example, values, social experience, and viewpoint ( Allen, 2017 ). It is essential that a novice researcher learn to explicitly state a theoretical framework, because all research questions are being asked from the researcher’s implicit or explicit assumptions of a phenomenon of interest ( Schwandt, 2000 ).

Selecting Theoretical Frameworks

Theoretical frameworks are one of the most contemplated elements in our work in educational research. In this section, we share three important considerations for new scholars selecting a theoretical framework.

The first step in identifying a theoretical framework involves reflecting on the phenomenon within the study and the assumptions aligned with the phenomenon. The phenomenon involves the studied event. There are many possibilities, for example, student learning, instructional approach, or group organization. A researcher holds assumptions about how the phenomenon will be effected, influenced, changed, or portrayed. It is ultimately the researcher’s assumption(s) about the phenomenon that aligns with a theoretical framework. An example can help illustrate how a researcher’s reflection on the phenomenon and acknowledgment of assumptions can result in the identification of a theoretical framework.

In our example, a biology education researcher may be interested in exploring how students’ learning of difficult biological concepts can be supported by the interactions of group members. The phenomenon of interest is the interactions among the peers, and the researcher assumes that more knowledgeable students are important in supporting the learning of the group. As a result, the researcher may draw on Vygotsky’s (1978) sociocultural theory of learning and development that is focused on the phenomenon of student learning in a social setting. This theory posits the critical nature of interactions among students and between students and teachers in the process of building knowledge. A researcher drawing upon this framework holds the assumption that learning is a dynamic social process involving questions and explanations among students in the classroom and that more knowledgeable peers play an important part in the process of building conceptual knowledge.

It is important to state at this point that there are many different theoretical frameworks. Some frameworks focus on learning and knowing, while other theoretical frameworks focus on equity, empowerment, or discourse. Some frameworks are well articulated, and others are still being refined. For a new researcher, it can be challenging to find a theoretical framework. Two of the best ways to look for theoretical frameworks is through published works that highlight different frameworks.

When a theoretical framework is selected, it should clearly connect to all parts of the study. The framework should augment the study by adding a perspective that provides greater insights into the phenomenon. It should clearly align with the studies described in the literature review. For instance, a framework focused on learning would correspond to research that reported different learning outcomes for similar studies. The methods for data collection and analysis should also correspond to the framework. For instance, a study about instructional interventions could use a theoretical framework concerned with learning and could collect data about the effect of the intervention on what is learned. When the data are analyzed, the theoretical framework should provide added meaning to the findings, and the findings should align with the theoretical framework.

A study by Jensen and Lawson (2011) provides an example of how a theoretical framework connects different parts of the study. They compared undergraduate biology students in heterogeneous and homogeneous groups over the course of a semester. Jensen and Lawson (2011) assumed that learning involved collaboration and more knowledgeable peers, which made Vygotsky’s (1978) theory a good fit for their study. They predicted that students in heterogeneous groups would experience greater improvement in their reasoning abilities and science achievements with much of the learning guided by the more knowledgeable peers.

In the enactment of the study, they collected data about the instruction in traditional and inquiry-oriented classes, while the students worked in homogeneous or heterogeneous groups. To determine the effect of working in groups, the authors also measured students’ reasoning abilities and achievement. Each data-collection and analysis decision connected to understanding the influence of collaborative work.

Their findings highlighted aspects of Vygotsky’s (1978) theory of learning. One finding, for instance, posited that inquiry instruction, as a whole, resulted in reasoning and achievement gains. This links to Vygotsky (1978) , because inquiry instruction involves interactions among group members. A more nuanced finding was that group composition had a conditional effect. Heterogeneous groups performed better with more traditional and didactic instruction, regardless of the reasoning ability of the group members. Homogeneous groups worked better during interaction-rich activities for students with low reasoning ability. The authors attributed the variation to the different types of helping behaviors of students. High-performing students provided the answers, while students with low reasoning ability had to work collectively through the material. In terms of Vygotsky (1978) , this finding provided new insights into the learning context in which productive interactions can occur for students.

Another consideration in the selection and use of a theoretical framework pertains to its orientation to the study. This can result in the theoretical framework prioritizing individuals, institutions, and/or policies ( Anfara and Mertz, 2014 ). Frameworks that connect to individuals, for instance, could contribute to understanding their actions, learning, or knowledge. Institutional frameworks, on the other hand, offer insights into how institutions, organizations, or groups can influence individuals or materials. Policy theories provide ways to understand how national or local policies can dictate an emphasis on outcomes or instructional design. These different types of frameworks highlight different aspects in an educational setting, which influences the design of the study and the collection of data. In addition, these different frameworks offer a way to make sense of the data. Aligning the data collection and analysis with the framework ensures that a study is coherent and can contribute to the field.

New understandings emerge when different theoretical frameworks are used. For instance, Ebert-May et al. (2015) prioritized the individual level within conceptual change theory (see Posner et al. , 1982 ). In this theory, an individual’s knowledge changes when it no longer fits the phenomenon. Ebert-May et al. (2015) designed a professional development program challenging biology postdoctoral scholars’ existing conceptions of teaching. The authors reported that the biology postdoctoral scholars’ teaching practices became more student-centered as they were challenged to explain their instructional decision making. According to the theory, the biology postdoctoral scholars’ dissatisfaction in their descriptions of teaching and learning initiated change in their knowledge and instruction. These results reveal how conceptual change theory can explain the learning of participants and guide the design of professional development programming.

The communities of practice (CoP) theoretical framework ( Lave, 1988 ; Wenger, 1998 ) prioritizes the institutional level , suggesting that learning occurs when individuals learn from and contribute to the communities in which they reside. Grounded in the assumption of community learning, the literature on CoP suggests that, as individuals interact regularly with the other members of their group, they learn about the rules, roles, and goals of the community ( Allee, 2000 ). A study conducted by Gehrke and Kezar (2017) used the CoP framework to understand organizational change by examining the involvement of individual faculty engaged in a cross-institutional CoP focused on changing the instructional practice of faculty at each institution. In the CoP, faculty members were involved in enhancing instructional materials within their department, which aligned with an overarching goal of instituting instruction that embraced active learning. Not surprisingly, Gehrke and Kezar (2017) revealed that faculty who perceived the community culture as important in their work cultivated institutional change. Furthermore, they found that institutional change was sustained when key leaders served as mentors and provided support for faculty, and as faculty themselves developed into leaders. This study reveals the complexity of individual roles in a COP in order to support institutional instructional change.

It is important to explicitly state the theoretical framework used in a study, but elucidating a theoretical framework can be challenging for a new educational researcher. The literature review can help to identify an applicable theoretical framework. Focal areas of the review or central terms often connect to assumptions and assertions associated with the framework that pertain to the phenomenon of interest. Another way to identify a theoretical framework is self-reflection by the researcher on personal beliefs and understandings about the nature of knowledge the researcher brings to the study ( Lysaght, 2011 ). In stating one’s beliefs and understandings related to the study (e.g., students construct their knowledge, instructional materials support learning), an orientation becomes evident that will suggest a particular theoretical framework. Theoretical frameworks are not arbitrary , but purposefully selected.

With experience, a researcher may find expanded roles for theoretical frameworks. Researchers may revise an existing framework that has limited explanatory power, or they may decide there is a need to develop a new theoretical framework. These frameworks can emerge from a current study or the need to explain a phenomenon in a new way. Researchers may also find that multiple theoretical frameworks are necessary to frame and explore a problem, as different frameworks can provide different insights into a problem.

Finally, it is important to recognize that choosing “x” theoretical framework does not necessarily mean a researcher chooses “y” methodology and so on, nor is there a clear-cut, linear process in selecting a theoretical framework for one’s study. In part, the nonlinear process of identifying a theoretical framework is what makes understanding and using theoretical frameworks challenging. For the novice scholar, contemplating and understanding theoretical frameworks is essential. Fortunately, there are articles and books that can help:

• Creswell, J. W. (2018). Research design: Qualitative, quantitative, and mixed methods approaches (5th ed.). Los Angeles, CA: Sage. This book provides an overview of theoretical frameworks in general educational research.
• Ding, L. (2019). Theoretical perspectives of quantitative physics education research. Physical Review Physics Education Research , 15 (2), 020101-1–020101-13. This paper illustrates how a DBER field can use theoretical frameworks.
• Nehm, R. (2019). Biology education research: Building integrative frameworks for teaching and learning about living systems. Disciplinary and Interdisciplinary Science Education Research , 1 , ar15. https://doi.org/10.1186/s43031-019-0017-6 . This paper articulates the need for studies in BER to explicitly state theoretical frameworks and provides examples of potential studies.
• Patton, M. Q. (2015). Qualitative research & evaluation methods: Integrating theory and practice . Sage. This book also provides an overview of theoretical frameworks, but for both research and evaluation.

CONCEPTUAL FRAMEWORKS

Purpose of a conceptual framework.

A conceptual framework is a description of the way a researcher understands the factors and/or variables that are involved in the study and their relationships to one another. The purpose of a conceptual framework is to articulate the concepts under study using relevant literature ( Rocco and Plakhotnik, 2009 ) and to clarify the presumed relationships among those concepts ( Rocco and Plakhotnik, 2009 ; Anfara and Mertz, 2014 ). Conceptual frameworks are different from theoretical frameworks in both their breadth and grounding in established findings. Whereas a theoretical framework articulates the lens through which a researcher views the work, the conceptual framework is often more mechanistic and malleable.

Conceptual frameworks are broader, encompassing both established theories (i.e., theoretical frameworks) and the researchers’ own emergent ideas. Emergent ideas, for example, may be rooted in informal and/or unpublished observations from experience. These emergent ideas would not be considered a “theory” if they are not yet tested, supported by systematically collected evidence, and peer reviewed. However, they do still play an important role in the way researchers approach their studies. The conceptual framework allows authors to clearly describe their emergent ideas so that connections among ideas in the study and the significance of the study are apparent to readers.

Constructing Conceptual Frameworks

Including a conceptual framework in a research study is important, but researchers often opt to include either a conceptual or a theoretical framework. Either may be adequate, but both provide greater insight into the research approach. For instance, a research team plans to test a novel component of an existing theory. In their study, they describe the existing theoretical framework that informs their work and then present their own conceptual framework. Within this conceptual framework, specific topics portray emergent ideas that are related to the theory. Describing both frameworks allows readers to better understand the researchers’ assumptions, orientations, and understanding of concepts being investigated. For example, Connolly et al. (2018) included a conceptual framework that described how they applied a theoretical framework of social cognitive career theory (SCCT) to their study on teaching programs for doctoral students. In their conceptual framework, the authors described SCCT, explained how it applied to the investigation, and drew upon results from previous studies to justify the proposed connections between the theory and their emergent ideas.

In some cases, authors may be able to sufficiently describe their conceptualization of the phenomenon under study in an introduction alone, without a separate conceptual framework section. However, incomplete descriptions of how the researchers conceptualize the components of the study may limit the significance of the study by making the research less intelligible to readers. This is especially problematic when studying topics in which researchers use the same terms for different constructs or different terms for similar and overlapping constructs (e.g., inquiry, teacher beliefs, pedagogical content knowledge, or active learning). Authors must describe their conceptualization of a construct if the research is to be understandable and useful.

There are some key areas to consider regarding the inclusion of a conceptual framework in a study. To begin with, it is important to recognize that conceptual frameworks are constructed by the researchers conducting the study ( Rocco and Plakhotnik, 2009 ; Maxwell, 2012 ). This is different from theoretical frameworks that are often taken from established literature. Researchers should bring together ideas from the literature, but they may be influenced by their own experiences as a student and/or instructor, the shared experiences of others, or thought experiments as they construct a description, model, or representation of their understanding of the phenomenon under study. This is an exercise in intellectual organization and clarity that often considers what is learned, known, and experienced. The conceptual framework makes these constructs explicitly visible to readers, who may have different understandings of the phenomenon based on their prior knowledge and experience. There is no single method to go about this intellectual work.

Reeves et al. (2016) is an example of an article that proposed a conceptual framework about graduate teaching assistant professional development evaluation and research. The authors used existing literature to create a novel framework that filled a gap in current research and practice related to the training of graduate teaching assistants. This conceptual framework can guide the systematic collection of data by other researchers because the framework describes the relationships among various factors that influence teaching and learning. The Reeves et al. (2016) conceptual framework may be modified as additional data are collected and analyzed by other researchers. This is not uncommon, as conceptual frameworks can serve as catalysts for concerted research efforts that systematically explore a phenomenon (e.g., Reynolds et al. , 2012 ; Brownell and Kloser, 2015 ).

Sabel et al. (2017) used a conceptual framework in their exploration of how scaffolds, an external factor, interact with internal factors to support student learning. Their conceptual framework integrated principles from two theoretical frameworks, self-regulated learning and metacognition, to illustrate how the research team conceptualized students’ use of scaffolds in their learning ( Figure 1 ). Sabel et al. (2017) created this model using their interpretations of these two frameworks in the context of their teaching.

Conceptual framework from Sabel et al. (2017) .

A conceptual framework should describe the relationship among components of the investigation ( Anfara and Mertz, 2014 ). These relationships should guide the researcher’s methods of approaching the study ( Miles et al. , 2014 ) and inform both the data to be collected and how those data should be analyzed. Explicitly describing the connections among the ideas allows the researcher to justify the importance of the study and the rigor of the research design. Just as importantly, these frameworks help readers understand why certain components of a system were not explored in the study. This is a challenge in education research, which is rooted in complex environments with many variables that are difficult to control.

For example, Sabel et al. (2017) stated: “Scaffolds, such as enhanced answer keys and reflection questions, can help students and instructors bridge the external and internal factors and support learning” (p. 3). They connected the scaffolds in the study to the three dimensions of metacognition and the eventual transformation of existing ideas into new or revised ideas. Their framework provides a rationale for focusing on how students use two different scaffolds, and not on other factors that may influence a student’s success (self-efficacy, use of active learning, exam format, etc.).

In constructing conceptual frameworks, researchers should address needed areas of study and/or contradictions discovered in literature reviews. By attending to these areas, researchers can strengthen their arguments for the importance of a study. For instance, conceptual frameworks can address how the current study will fill gaps in the research, resolve contradictions in existing literature, or suggest a new area of study. While a literature review describes what is known and not known about the phenomenon, the conceptual framework leverages these gaps in describing the current study ( Maxwell, 2012 ). In the example of Sabel et al. (2017) , the authors indicated there was a gap in the literature regarding how scaffolds engage students in metacognition to promote learning in large classes. Their study helps fill that gap by describing how scaffolds can support students in the three dimensions of metacognition: intelligibility, plausibility, and wide applicability. In another example, Lane (2016) integrated research from science identity, the ethic of care, the sense of belonging, and an expertise model of student success to form a conceptual framework that addressed the critiques of other frameworks. In a more recent example, Sbeglia et al. (2021) illustrated how a conceptual framework influences the methodological choices and inferences in studies by educational researchers.

Sometimes researchers draw upon the conceptual frameworks of other researchers. When a researcher’s conceptual framework closely aligns with an existing framework, the discussion may be brief. For example, Ghee et al. (2016) referred to portions of SCCT as their conceptual framework to explain the significance of their work on students’ self-efficacy and career interests. Because the authors’ conceptualization of this phenomenon aligned with a previously described framework, they briefly mentioned the conceptual framework and provided additional citations that provided more detail for the readers.

Within both the BER and the broader DBER communities, conceptual frameworks have been used to describe different constructs. For example, some researchers have used the term “conceptual framework” to describe students’ conceptual understandings of a biological phenomenon. This is distinct from a researcher’s conceptual framework of the educational phenomenon under investigation, which may also need to be explicitly described in the article. Other studies have presented a research logic model or flowchart of the research design as a conceptual framework. These constructions can be quite valuable in helping readers understand the data-collection and analysis process. However, a model depicting the study design does not serve the same role as a conceptual framework. Researchers need to avoid conflating these constructs by differentiating the researchers’ conceptual framework that guides the study from the research design, when applicable.

Explicitly describing conceptual frameworks is essential in depicting the focus of the study. We have found that being explicit in a conceptual framework means using accepted terminology, referencing prior work, and clearly noting connections between terms. This description can also highlight gaps in the literature or suggest potential contributions to the field of study. A well-elucidated conceptual framework can suggest additional studies that may be warranted. This can also spur other researchers to consider how they would approach the examination of a phenomenon and could result in a revised conceptual framework.

It can be challenging to create conceptual frameworks, but they are important. Below are two resources that could be helpful in constructing and presenting conceptual frameworks in educational research:

• Maxwell, J. A. (2012). Qualitative research design: An interactive approach (3rd ed.). Los Angeles, CA: Sage. Chapter 3 in this book describes how to construct conceptual frameworks.
• Ravitch, S. M., & Riggan, M. (2016). Reason & rigor: How conceptual frameworks guide research . Los Angeles, CA: Sage. This book explains how conceptual frameworks guide the research questions, data collection, data analyses, and interpretation of results.

CONCLUDING THOUGHTS

Literature reviews, theoretical frameworks, and conceptual frameworks are all important in DBER and BER. Robust literature reviews reinforce the importance of a study. Theoretical frameworks connect the study to the base of knowledge in educational theory and specify the researcher’s assumptions. Conceptual frameworks allow researchers to explicitly describe their conceptualization of the relationships among the components of the phenomenon under study. Table 1 provides a general overview of these components in order to assist biology education researchers in thinking about these elements.

It is important to emphasize that these different elements are intertwined. When these elements are aligned and complement one another, the study is coherent, and the study findings contribute to knowledge in the field. When literature reviews, theoretical frameworks, and conceptual frameworks are disconnected from one another, the study suffers. The point of the study is lost, suggested findings are unsupported, or important conclusions are invisible to the researcher. In addition, this misalignment may be costly in terms of time and money.

Conducting a literature review, selecting a theoretical framework, and building a conceptual framework are some of the most difficult elements of a research study. It takes time to understand the relevant research, identify a theoretical framework that provides important insights into the study, and formulate a conceptual framework that organizes the finding. In the research process, there is often a constant back and forth among these elements as the study evolves. With an ongoing refinement of the review of literature, clarification of the theoretical framework, and articulation of a conceptual framework, a sound study can emerge that makes a contribution to the field. This is the goal of BER and education research.

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Literature Review: 3 Essential Ingredients

The theoretical framework, empirical research and research gap

By: Derek Jansen (MBA) | Reviewer: Eunice Rautenbach (DTech) | July 2023

Writing a comprehensive but concise literature review is no simple task. There’s a lot of ground to cover and it can be challenging to figure out what’s important and what’s not. In this post, we’ll unpack three essential ingredients that need to be woven into your literature review to lay a rock-solid foundation for your study.

This post is based on our popular online course, Literature Review Bootcamp . In the course, we walk you through the full process of developing a literature review, step by step. If it’s your first time writing a literature review, you definitely want to use this link to get 50% off the course (limited-time offer).

Overview: Essential Ingredients

• Ingredients vs structure
• The theoretical framework (foundation of theory)
• The empirical research
• The research gap
• Summary & key takeaways

Ingredients vs Structure

As a starting point, it’s important to clarify that the three ingredients we’ll cover in this video are things that need to feature within your literature review, as opposed to a set structure for your chapter . In other words, there are different ways you can weave these three ingredients into your literature review. Regardless of which structure you opt for, each of the three components will make an appearance in some shape or form. If you’re keen to learn more about structural options, we’ve got a dedicated post about that here .

1. The Theoretical Framework

Let’s kick off with the first essential ingredient – that is the theoretical framework , also called the foundation of theory . 

The foundation of theory, as the name suggests, is where you’ll lay down the foundational building blocks for your literature review so that your reader can get a clear idea of the core concepts, theories and assumptions (in relation to your research aims and questions) that will guide your study. Note that this is not the same as a conceptual framework .

Typically you’ll cover a few things within the theoretical framework:

Firstly, you’ll need to clearly define the key constructs and variables that will feature within your study. In many cases, any given term can have multiple different definitions or interpretations – for example, different people will define the concept of “integrity” in different ways. This variation in interpretation can, of course, wreak havoc on how your study is understood. So, this section is where you’ll pin down what exactly you mean when you refer to X, Y or Z in your study, as well as why you chose that specific definition. It’s also a good idea to state any assumptions that are inherent in these definitions and why these are acceptable, given the purpose of your study.

Related to this, the second thing you’ll need to cover in your theoretical framework is the relationships between these variables and/or constructs . For example, how does one variable potentially affect another variable – does A have an impact on B, B on A, and so on? In other words, you want to connect the dots between the different “things” of interest that you’ll be exploring in your study. Note that you only need to focus on the key items of interest here (i.e. those most central to your research aims and questions) – not every possible construct or variable.

Lastly, and very importantly, you need to discuss the existing theories that are relevant to your research aims and research questions . For example, if you’re investigating the uptake/adoption of a certain application or software, you might discuss Davis’ Technology Acceptance Model and unpack what it has to say about the factors that influence technology adoption. More importantly, though, you need to explain how this impacts your expectations about what you will find in your own study . In other words, your theoretical framework should reveal some insights about what answers you might expect to find to your research questions .

If this sounds a bit fluffy, don’t worry. We deep dive into the theoretical framework (as well as the conceptual framework) and look at practical examples in Literature Review Bootcamp . If you’d like to learn more, take advantage of the limited-time offer (60% off the standard price).

Need a helping hand?

2. The Empirical Research

Onto the second essential ingredient, which is  empirical research . This section is where you’ll present a critical discussion of the existing empirical research that is relevant to your research aims and questions.

But what exactly is empirical research?

Simply put, empirical research includes any study that involves actual data collection and analysis , whether that’s qualitative data, quantitative data, or a mix of both . This contrasts against purely theoretical literature (the previous ingredient), which draws its conclusions based exclusively on logic and reason , as opposed to an analysis of real-world data.

In other words, theoretical literature provides a prediction or expectation of what one might find based on reason and logic, whereas empirical research tests the accuracy of those predictions using actual real-world data . This reflects the broader process of knowledge creation – in other words, first developing a theory and then testing it out in the field.

Long story short, the second essential ingredient of a high-quality literature review is a critical discussion of the existing empirical research . Here, it’s important to go beyond description . You’ll need to present a critical analysis that addresses some (if not all) of the following questions:

• What have different studies found in relation to your research questions ?
• What contexts have (and haven’t been covered)? For example, certain countries, cities, cultures, etc.
• Are the findings across the studies similar or is there a lot of variation ? If so, why might this be the case?
• What sorts of research methodologies have been used and how could these help me develop my own methodology?
• What were the noteworthy limitations of these studies?

Simply put, your task here is to present a synthesis of what’s been done (and found) within the empirical research, so that you can clearly assess the current state of knowledge and identify potential research gaps , which leads us to our third essential ingredient.

The Research Gap

The third essential ingredient of a high-quality literature review is a discussion of the research gap (or gaps).

But what exactly is a research gap?

Simply put, a research gap is any unaddressed or inadequately explored area within the existing body of academic knowledge. In other words, a research gap emerges whenever there’s still some uncertainty regarding a certain topic or question.

For example, it might be the case that there are mixed findings regarding the relationship between two variables (e.g., job performance and work-from-home policies). Similarly, there might be a lack of research regarding the impact of a specific new technology on people’s mental health. On the other end of the spectrum, there might be a wealth of research regarding a certain topic within one country (say the US), but very little research on that same topic in a different social context (say, China).

These are just random examples, but as you can see, research gaps can emerge from many different places. What’s important to understand is that the research gap (or gaps) needs to emerge from your previous discussion of the theoretical and empirical literature . In other words, your discussion in those sections needs to start laying the foundation for the research gap.

For example, when discussing empirical research, you might mention that most studies have focused on a certain context , yet very few (or none) have focused on another context, and there’s reason to believe that findings may differ. Or you might highlight how there’s a fair deal of mixed findings and disagreement regarding a certain matter. In other words, you want to start laying a little breadcrumb trail in those sections so that your discussion of the research gap is firmly rooted in the rest of the literature review.

But why does all of this matter?

Well, the research gap should serve as the core justification for your study . Through your literature review, you’ll show what gaps exist in the current body of knowledge, and then your study will then attempt to fill (or contribute towards filling) one of those gaps. In other words, you’re first explaining what the problem is (some sort of gap) and then proposing how you’ll solve it.

Key Takeaways

To recap, the three ingredients that need to be mixed into your literature review are:

• The foundation of theory or theoretical framework
• The empirical or evidence-based research

As we mentioned earlier, these are components of a literature review and not (necessarily) a structure for your literature review chapter. Of course, you can structure your chapter in a way that reflects these three components (in fact, in some cases that works very well), but it’s certainly not the only option. The right structure will vary from study to study , depending on various factors.

If you’d like to get hands-on help developing your literature review, be sure to check out our private coaching service , where we hold your hand through the entire research journey, step by step. 

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Literature as a Foundation for Research: Case Studies and Examples

• backlinkworks
• Writing Articles & Reviews
• November 2, 2023

When conducting research, a solid foundation is essential for ensuring the credibility and depth of your work. One such foundation that has been proven effective time and again is literature. By utilizing literature as a basis for research, scholars can draw upon existing knowledge, build upon established theories, and gain insights from previous studies. In this article, we explore the importance of literature in research through case studies and provide examples of how IT can be effectively incorporated into various disciplines.

The Importance of Literature in Research

Literature plays a crucial role in research as IT provides a comprehensive understanding of the existing body of knowledge on a particular topic. IT offers a platform for scholars to engage in scholarly conversations, critically evaluate previous studies, and identify gaps or areas that require further exploration.

By examining literature, researchers can gain insights into various theories, methodologies, and findings that have been developed over time. This allows them to position their research within the existing scholarly discourse and contribute something novel to the field.

Case Study: Literature Review in a Scientific Research Paper

Let’s consider a case study to highlight how literature can be effectively incorporated into research. Imagine a scientific research paper aiming to investigate the effects of a new drug on a specific disease. Before conducting any experiments or data collection, the researchers must undertake a comprehensive literature review.

In this literature review, the researchers will identify and analyze existing studies related to the disease, previous treatments, and any prior research on the drug. They will evaluate the methodologies used, the results obtained, and any gaps in knowledge. By doing so, the researchers gather relevant information that helps them design their own study, ensuring IT aligns with the current understanding of the disease and the drug’s potential impact.

The literature review also allows the researchers to identify the limitations or challenges faced in previous studies. By taking note of these, they can design their experiments and data collection methods to address those limitations and produce more robust results. This demonstrates the fundamental role literature can play in shaping the research process.

Examples of Literature-Based Research

Various disciplines leverage literature as a foundation for research. Here are a few examples:

1. Social Sciences

In social sciences, literature-based research is often used to conduct critical reviews, explore theoretical frameworks, and identify relevant variables. By analyzing previous studies, researchers can gain insights into social trends, cultural dynamics, and various behavioral patterns.

2. Literature and Humanities

In literary and humanities research, scholars analyze literature works, historical documents, and artistic creations to gain a deeper understanding of cultural movements, intellectual exchanges, and societal developments. By studying these texts and artifacts, researchers can provide critical interpretations and theoretical frameworks to enhance our understanding of the human experience.

3. Education

In education research, literature plays a crucial role in identifying best practices, understanding pedagogy, and evaluating teaching methods. Literature-based research in this field helps educators and policymakers make informed decisions based on the existing body of knowledge.

Literature serves as a foundation for research by offering a deep-rooted and well-established body of knowledge on various subjects. IT enables scholars to position their work within existing frameworks and identify gaps that require further exploration. Literature-based research not only helps build credibility but also strengthens the overall quality of research findings.

Q1: What is a literature review in research?

A1: A literature review is a crucial component of research that involves analyzing and summarizing previous scholarly works related to a specific topic. IT provides an overview of existing knowledge, theories, and methodologies, allowing researchers to position their own work within the broader landscape of the field.

Q2: Why is literature important in research?

A2: Literature serves as the foundation for research by providing a comprehensive understanding of existing knowledge on a particular topic. IT helps researchers identify gaps, develop research questions, and design studies that contribute to the field’s growth.

Q3: How can literature-based research be applied in natural sciences?

A3: In natural sciences, literature-based research is utilized in various ways, including reviewing previous studies, understanding theoretical frameworks, and identifying potential research avenues. IT helps scientists consider existing knowledge and build upon IT to create new hypotheses or develop innovative methods.

Q4: Can literature-based research lead to original contributions?

A4: Absolutely. Literature-based research allows scholars to identify gaps or areas with limited study, enabling them to propose novel research questions or approaches. By building on existing knowledge, researchers can make original contributions to their respective fields.

Q5: How should one approach conducting a literature review?

A5: Conducting a literature review requires a systematic approach. Start by defining your research question and search for relevant academic articles, books, and other sources. Analyze and critically evaluate each source, identifying key themes, theories, and findings. Finally, synthesize the information to present a comprehensive understanding of the topic within the context of your research.

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Writing a Literature Review

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A literature review is a document or section of a document that collects key sources on a topic and discusses those sources in conversation with each other (also called synthesis ). The lit review is an important genre in many disciplines, not just literature (i.e., the study of works of literature such as novels and plays). When we say “literature review” or refer to “the literature,” we are talking about the research ( scholarship ) in a given field. You will often see the terms “the research,” “the scholarship,” and “the literature” used mostly interchangeably.

Where, when, and why would I write a lit review?

There are a number of different situations where you might write a literature review, each with slightly different expectations; different disciplines, too, have field-specific expectations for what a literature review is and does. For instance, in the humanities, authors might include more overt argumentation and interpretation of source material in their literature reviews, whereas in the sciences, authors are more likely to report study designs and results in their literature reviews; these differences reflect these disciplines’ purposes and conventions in scholarship. You should always look at examples from your own discipline and talk to professors or mentors in your field to be sure you understand your discipline’s conventions, for literature reviews as well as for any other genre.

A literature review can be a part of a research paper or scholarly article, usually falling after the introduction and before the research methods sections. In these cases, the lit review just needs to cover scholarship that is important to the issue you are writing about; sometimes it will also cover key sources that informed your research methodology.

Lit reviews can also be standalone pieces, either as assignments in a class or as publications. In a class, a lit review may be assigned to help students familiarize themselves with a topic and with scholarship in their field, get an idea of the other researchers working on the topic they’re interested in, find gaps in existing research in order to propose new projects, and/or develop a theoretical framework and methodology for later research. As a publication, a lit review usually is meant to help make other scholars’ lives easier by collecting and summarizing, synthesizing, and analyzing existing research on a topic. This can be especially helpful for students or scholars getting into a new research area, or for directing an entire community of scholars toward questions that have not yet been answered.

What are the parts of a lit review?

Most lit reviews use a basic introduction-body-conclusion structure; if your lit review is part of a larger paper, the introduction and conclusion pieces may be just a few sentences while you focus most of your attention on the body. If your lit review is a standalone piece, the introduction and conclusion take up more space and give you a place to discuss your goals, research methods, and conclusions separately from where you discuss the literature itself.

Introduction:

• An introductory paragraph that explains what your working topic and thesis is
• A forecast of key topics or texts that will appear in the review
• Potentially, a description of how you found sources and how you analyzed them for inclusion and discussion in the review (more often found in published, standalone literature reviews than in lit review sections in an article or research paper)
• Summarize and synthesize: Give an overview of the main points of each source and combine them into a coherent whole
• Analyze and interpret: Don’t just paraphrase other researchers – add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
• Critically Evaluate: Mention the strengths and weaknesses of your sources
• Write in well-structured paragraphs: Use transition words and topic sentence to draw connections, comparisons, and contrasts.

Conclusion:

• Summarize the key findings you have taken from the literature and emphasize their significance
• Connect it back to your primary research question

How should I organize my lit review?

Lit reviews can take many different organizational patterns depending on what you are trying to accomplish with the review. Here are some examples:

• Chronological : The simplest approach is to trace the development of the topic over time, which helps familiarize the audience with the topic (for instance if you are introducing something that is not commonly known in your field). If you choose this strategy, be careful to avoid simply listing and summarizing sources in order. Try to analyze the patterns, turning points, and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred (as mentioned previously, this may not be appropriate in your discipline — check with a teacher or mentor if you’re unsure).
• Thematic : If you have found some recurring central themes that you will continue working with throughout your piece, you can organize your literature review into subsections that address different aspects of the topic. For example, if you are reviewing literature about women and religion, key themes can include the role of women in churches and the religious attitude towards women.
• Qualitative versus quantitative research
• Empirical versus theoretical scholarship
• Divide the research by sociological, historical, or cultural sources
• Theoretical : In many humanities articles, the literature review is the foundation for the theoretical framework. You can use it to discuss various theories, models, and definitions of key concepts. You can argue for the relevance of a specific theoretical approach or combine various theorical concepts to create a framework for your research.

What are some strategies or tips I can use while writing my lit review?

Any lit review is only as good as the research it discusses; make sure your sources are well-chosen and your research is thorough. Don’t be afraid to do more research if you discover a new thread as you’re writing. More info on the research process is available in our "Conducting Research" resources .

As you’re doing your research, create an annotated bibliography ( see our page on the this type of document ). Much of the information used in an annotated bibliography can be used also in a literature review, so you’ll be not only partially drafting your lit review as you research, but also developing your sense of the larger conversation going on among scholars, professionals, and any other stakeholders in your topic.

Usually you will need to synthesize research rather than just summarizing it. This means drawing connections between sources to create a picture of the scholarly conversation on a topic over time. Many student writers struggle to synthesize because they feel they don’t have anything to add to the scholars they are citing; here are some strategies to help you:

• It often helps to remember that the point of these kinds of syntheses is to show your readers how you understand your research, to help them read the rest of your paper.
• Writing teachers often say synthesis is like hosting a dinner party: imagine all your sources are together in a room, discussing your topic. What are they saying to each other?
• Look at the in-text citations in each paragraph. Are you citing just one source for each paragraph? This usually indicates summary only. When you have multiple sources cited in a paragraph, you are more likely to be synthesizing them (not always, but often
• Read more about synthesis here.

The most interesting literature reviews are often written as arguments (again, as mentioned at the beginning of the page, this is discipline-specific and doesn’t work for all situations). Often, the literature review is where you can establish your research as filling a particular gap or as relevant in a particular way. You have some chance to do this in your introduction in an article, but the literature review section gives a more extended opportunity to establish the conversation in the way you would like your readers to see it. You can choose the intellectual lineage you would like to be part of and whose definitions matter most to your thinking (mostly humanities-specific, but this goes for sciences as well). In addressing these points, you argue for your place in the conversation, which tends to make the lit review more compelling than a simple reporting of other sources.

Writing Introduction: Laying the Foundations of a Research Paper

• PMID: 26731827

The Introduction section explains the rationale for undertaking the study and clearly describes the main purpose of conducting it. It should be focused, succinct and crisp. Providing an extensive and detailed literature review, not stating the hypothesis of the objectives with clarity and not providing focused information are some of the common mistakes that the authors should steer clear of.

• Biomedical Research*
• Medical Writing*
• Research Report*

Foundations: Key concepts of the research

• First Online: 03 March 2020

Cite this chapter

• Christofer F. Daiberl 6  

Part of the book series: Markt- und Unternehmensentwicklung Markets and Organisations ((MAU))

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Part II introduces the key concepts applied throughout the dissertation to answer the research questions depicted in Part I. They serve as the conceptual foundation of the systematic literature review presented in Part III and guide the exploratory case study delineated in Part IV. Moreover, they direct the selection and adaptation of relevant theoretical foundations for the DSR study presented in Part V.

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Daiberl, C. (2020). Foundations: Key concepts of the research. In: Driving Networked Service Productivity . Markt- und Unternehmensentwicklung Markets and Organisations. Springer Gabler, Wiesbaden. https://doi.org/10.1007/978-3-658-29580-6_2

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Basic literature research guide: doing literary research.

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• Other ZSR Primary Source Databases Full listing of all the ZSR primary source databases
• English Literature Primary Souces
• Early English Books Online - EEBO This link opens in a new window Full text of books, pamphlets and broadsides published in England or in English between 1475 and 1700. Includes many of the items indexed in the English Short Title Catalogue. Corresponds to the Pollard and Redgrave, and Wing Short-Title Catalogues, as well as Thomason Tracts. Coverage: 1473-1700
• Early English Prose Fiction This link opens in a new window Over 200 works of fictional prose by writers from the British Isles from the period 1500-1700. Coverage: 1500-1700
• Early American Imprints, Series I & II (combined) This link opens in a new window Includes the full text of all known existing books, pamphlets, and broadsides published in the 13 colonies and the United States between 1639-1819. Combined search of both the Evans collection and the Shaw & Shoemaker collection. Coverage: 1639-1819
• Early American Fiction This link opens in a new window A collection of American novels and short stories written before 1875. Includes both well-known and obscure figures. Coverage: 1789-1875
• Eighteenth-Century Fiction This link opens in a new window Contains 96 works in English prose by 18th Century British writers. Coverage: 1700-1780
• Eighteenth Century Collections Online - ECCO This link opens in a new window Contains books, pamphlets and broadsides published in England or in English between 1701 and 1800. Includes many of the items indexed in the English Short Title Catalogue. Coverage: 1701-1800
• Eighteenth Century Drama This link opens in a new window Archive of almost every play submitted for licence in England between 1737 and 1824. Also includes The London Stage 1660-1800 which is a searchable database of every performance in London during those years and the Biographical Dictionary of Actors etc. 1660-1800.
• Nineteenth-Century Fiction This link opens in a new window Includes 250 novels from the period 1786 to 1903, including works by all the major Victorian novelists such as Dickens, Thackeray, the Brontes, Eliot and Hardy, as well as the landmarks of Gothic and other fiction from the Romantic period. Coverage: 1786-1903
• Nineteenth Century Collections Online This link opens in a new window Primary source collections of the “long” nineteenth century. Collections are sourced through partnerships with major world libraries and specialist libraries. Content includes monographs, newspapers, manuscripts, ephemera, maps, and more. Coverage: 1769-1906
• Literary Manuscripts: Berg This link opens in a new window Manuscript collections of Victorian authors from the Berg collection at the NY Public Library. Each author collection is included in its entirety. Authors represented include: Matthew Arnold, Emily Bronte, Elizabeth Barrett Browning, Robert Browning, Wilkie Collins, Joseph Conrad, Charles Dickens, George Eliot, George Gissing, Thomas Hardy, Henry James, Dante Gabriel Rossetti, John Ruskin, Alfred Tennyson, William Makepeace Thackeray.
• Literary Manuscripts: Leeds This link opens in a new window This resource contains manuscripts of 17th and 18th century verse held in the Brotherton Collection at the University of Leeds. Alongside original compositions are copied verses, translations, songs and riddles.
• Perdita Manuscripts This link opens in a new window Manuscripts written or compiled by women in the British Isles during the sixteenth and seventeenth centuries. Produced in association with the Perdita Project based at the University of Warwick and Nottingham Trent University, the project seeks to rediscover early modern women authors who were “lost” because their writing exists only in manuscript form. Coverage: 1500-1700
• Editions and Adaptations of Shakespeare This link opens in a new window Contains 11 major editions from the First Folio of 1623 to the Cambridge edition of 1863-6, 28 separate contemporary printings of individual plays and poems, selected apocrypha, and related works. Also contains more than one hundred adaptations, sequels and burlesques from the seventeenth, eighteenth and nineteenth centuries. Coverage: 1591-1911
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• Oxford English Dictionary This link opens in a new window The definitive dictionary of the English Language. Provides timelines of when words entered the language, sources for words, and audio pronunciation guides. Coverage: 1989 Edition, with updates

Background Resources for Literature Research

• Gale Literature This link opens in a new window Search across literary biography, literary criticism, genre studies, reviews, and primary sources across thousands of Gale publications. Good starting point for doing any kind of research in English literature. Coverage: varies
• Literary Reference Center Plus This link opens in a new window Contains author biographies, literary criticism, journal articles and book reviews. Coverage: Details not available

Background Resources on History, Issues, Society, etc.

If you need background information on historical events, societal issues, or other topics covered in literature here are some sources that might help. 

• Encyclopaedia Britannica Online This link opens in a new window Includes articles ranging from concise explanations to comprehensive expositions and from historical treatments of subjects to current-events coverage. Includes Britannica's Book of the Year and Nations of the World. Coverage: 1994-
• Oxford Reference Online This link opens in a new window Search across dozens of reference books in a wide variety of disciplines. Especially strong in literature and the humanities!
• SAGE Reference This link opens in a new window Provides access to ebook versions of encyclopedias and handbooks in the social and behavioral sciences.
• Credo Reference This link opens in a new window Search across hundreds of subject encyclopedias and other referece works. A great place to find background information on almost any research topic. Includes subject trees, pro/con resources, links to scholarly articles and more.
• Gale eBooks This link opens in a new window Search across hundreds of subject encyclopedias and other reference works. A great place to find background information on almost any research topic. Includes a topic finder for help with narrowing or broadening your research topic. Coverage: varies

Searching Primo for books and more

Use Primo - the library's search interface - to locate books and other materials all in a single search. Here are a few tips to get you started:

• To find items on a theme or issue in an author's work, enter the name of the author/work and a term that best conveys the issue you are researching, e.g. Macbeth and feminis* (the asterisk is a truncation symbol that allows for word variants, such as feminist or feminism). Keep in mind that not every work of literature will have a lot of research on it -  you may need to back up from your initial search to something more broad.
• To find works about a literary author or other figure, enter the person's name in quotes, i.e. "Jane Austen" - adding in other terms will help narrow down your results - i.e. "Jane Austen" marriage or "Maya Angelou" "civil rights" 
• To find works around a particular genre, us that genre in your search i.e. poetry abolition or "short story" war 

Journal Databases

Literary criticism databases.

• MLA International Bibliography This link opens in a new window Contains articles, books, chapters of books, conference proceedings, dissertations, and working papers on topics relating to literature, modern languages, folklore, and linguistics. Coverage: 1926-
• Humanities International Index This link opens in a new window Contains scholarly journals and other periodicals and magazines covering the humanities including art, classics, history, literature, philosophy and more. Coverage: 1975-
• JSTOR This link opens in a new window A full-text database of archived issues of academic journals. Since JSTOR is a backfiles project, a typical coverage range is the beginning of a journal until three or five years ago. Supported in part by the Dail Endowment Fund. Coverage: Varies
• Project MUSE This link opens in a new window Provides access to the full text of scholarly journals and books in the arts and humanities and social sciences. Coverage: Varies
• ProQuest One Literature This link opens in a new window Provides content and tools to support the study of literature from a variety of sources including primary texts, criticism, full-text journals, book reviews, dissertations, eBooks, reference material, audio, and video. Coverage: varies

Other Databases Of Interest

• America: History and Life This link opens in a new window Search for articles about the history and culure of the United States and Canada. Publications include peer-reviewed journals, magazines, dissertations, books, and more. Access is limited to six simultaneous users. Note: For world history topics, use the Historical Abstracts database. Coverage: 1964-
• Historical Abstracts This link opens in a new window Provides indexing and abstracts for journal articles, books, and dissertations covering the history of the world from 1450-- except the U.S. and Canada. For similar coverage of the U.S. and Canada, use America History and Life. Access is limited to six simultaneous users. Coverage: 1954-
• International Medieval Bibliography This link opens in a new window A bibliography of modern scholarship concerning the European Middle Ages (c. 450-1500). Coverage: 1967-
• Contemporary Women's Issues (Gale OneFile) This link opens in a new window provides access to current full text and backfile content covering topics including civil rights, health, education, professional development, and entrepreneurship. Coverage: 1992-
• Performing Arts Periodicals Database This link opens in a new window Performing Arts Periodicals Database indexes around 400 scholarly and trade journals, magazines, books, and newspapers covering theater, dance, film, television, stagecraft, broadcast arts, storytelling, and more. It draws from both current files and selected backfiles to 1864 and 134 publications are included in full text. Coverage: 1864-

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Home » Basic Research – Types, Methods and Examples

Basic Research – Types, Methods and Examples

Table of Contents

Basic Research

Definition:

Basic Research, also known as Fundamental or Pure Research , is scientific research that aims to increase knowledge and understanding about the natural world without necessarily having any practical or immediate applications. It is driven by curiosity and the desire to explore new frontiers of knowledge rather than by the need to solve a specific problem or to develop a new product.

Types of Basic Research

Types of Basic Research are as follows:

Experimental Research

This type of research involves manipulating one or more variables to observe their effect on a particular phenomenon. It aims to test hypotheses and establish cause-and-effect relationships.

Observational Research

This type of research involves observing and documenting natural phenomena without manipulating any variables. It aims to describe and understand the behavior of the observed system.

Theoretical Research

This type of research involves developing and testing theories and models to explain natural phenomena. It aims to provide a framework for understanding and predicting observations and experiments.

Descriptive Research

This type of research involves describing and cataloging natural phenomena without attempting to explain or understand them. It aims to provide a comprehensive and accurate picture of the observed system.

Comparative Research

This type of research involves comparing different systems or phenomena to identify similarities and differences. It aims to understand the underlying principles that govern different natural phenomena.

Historical Research

This type of research involves studying past events, developments, and discoveries to understand how science has evolved over time. It aims to provide insights into the factors that have influenced scientific progress and the role of basic research in shaping our understanding of the world.

Data Collection Methods

Some common data collection methods used in basic research include:

• Observation : This involves watching and recording natural phenomena in a systematic and structured way. Observations can be made in a laboratory setting or in the field and can be qualitative or quantitative.
• Surveys and questionnaires: These are tools for collecting data from a large number of individuals about their attitudes, beliefs, behaviors, and experiences. Surveys and questionnaires can be administered in person, by mail, or online.
• Interviews : Interviews involve asking questions to a person or a group of people to gather information about their experiences, opinions, and perspectives. Interviews can be structured, semi-structured, or unstructured.
• Experiments : Experiments involve manipulating one or more variables and observing their effect on a particular phenomenon. Experiments can be conducted in a laboratory or in the field and can be controlled or naturalistic.
• Case studies : Case studies involve in-depth analysis of a particular individual, group, or phenomenon. Case studies can provide rich and detailed information about complex phenomena.
• Archival research : Archival research involves analyzing existing data, documents, and records to answer research questions. Archival research can be used to study historical events, trends, and developments.
• Simulation : Simulation involves creating a computer model of a particular phenomenon to study its behavior and predict its future outcomes. Simulation can be used to study complex systems that are difficult to study in the real world.

Data Analysis Methods

Some common data analysis methods used in basic research include:

• Descriptive statistics: This involves summarizing and describing data using measures such as mean, median, mode, and standard deviation. Descriptive statistics provide a simple and easy way to understand the basic properties of the data.
• Inferential statistics : This involves making inferences about a population based on data collected from a sample. Inferential statistics can be used to test hypotheses, estimate parameters, and quantify uncertainty.
• Qualitative analysis : This involves analyzing data that are not numerical in nature, such as text, images, or audio recordings. Qualitative analysis can involve coding, categorizing, and interpreting data to identify themes, patterns, and relationships.
• Content analysis: This involves analyzing the content of text, images, or audio recordings to identify specific words, phrases, or themes. Content analysis can be used to study communication, media, and discourse.
• Multivariate analysis: This involves analyzing data that have multiple variables or factors. Multivariate analysis can be used to identify patterns and relationships among variables, cluster similar observations, and reduce the dimensionality of the data.
• Network analysis: This involves analyzing the structure and dynamics of networks, such as social networks, communication networks, or ecological networks. Network analysis can be used to study the relationships and interactions among individuals, groups, or entities.
• Machine learning : This involves using algorithms and models to analyze and make predictions based on data. Machine learning can be used to identify patterns, classify observations, and make predictions based on complex data sets.

Basic Research Methodology

Basic research methodology refers to the approach, techniques, and procedures used to conduct basic research. The following are some common steps involved in basic research methodology:

• Formulating research questions or hypotheses : This involves identifying the research problem and formulating specific questions or hypotheses that can guide the research.
• Reviewing the literature: This involves reviewing and synthesizing existing research on the topic of interest to identify gaps, controversies, and areas for further investigation.
• Designing the study: This involves designing a study that is appropriate for the research question or hypothesis. The study design can involve experiments, observations, surveys, case studies, or other methods.
• Collecting data: This involves collecting data using appropriate methods and instruments, such as observation, surveys, experiments, or interviews.
• Analyzing data: This involves analyzing the collected data using appropriate methods, such as descriptive or inferential statistics, qualitative analysis, or content analysis.
• Interpreting results : This involves interpreting the results of the data analysis in light of the research question or hypothesis and the existing literature.
• Drawing conclusions: This involves drawing conclusions based on the interpretation of the results and assessing their implications for the research question or hypothesis.
• Communicating findings : This involves communicating the research findings in the form of research reports, journal articles, conference presentations, or other forms of dissemination.

Applications of Basic Research

Some applications of basic research include:

• Medical breakthroughs : Basic research in fields such as biology, chemistry, and physics has led to important medical breakthroughs, including the discovery of antibiotics, vaccines, and new drugs.
• Technology advancements: Basic research in fields such as computer science, physics, and engineering has led to advancements in technology, such as the development of the internet, smartphones, and other electronic devices.
• Environmental solutions: Basic research in fields such as ecology, geology, and meteorology has led to the development of solutions to environmental problems, such as climate change, air pollution, and water contamination.
• Economic growth: Basic research can stimulate economic growth by creating new industries and markets based on scientific discoveries and technological advancements.
• National security: Basic research in fields such as physics, chemistry, and biology has led to the development of new technologies for national security, including encryption, radar, and stealth technology.

Examples of Basic Research

Here are some examples of basic research:

• Astronomy : Astronomers conduct basic research to understand the fundamental principles that govern the universe, such as the laws of gravity, the behavior of stars and galaxies, and the origins of the universe.
• Genetics : Geneticists conduct basic research to understand the genetic basis of various traits, diseases, and disorders. This research can lead to the development of new treatments and therapies for genetic diseases.
• Physics : Physicists conduct basic research to understand the fundamental principles of matter and energy, such as quantum mechanics, particle physics, and cosmology. This research can lead to new technologies and advancements in fields such as medicine and engineering.
• Neuroscience: Neuroscientists conduct basic research to understand the structure and function of the brain, including how it processes information and controls behavior. This research can lead to new treatments and therapies for neurological disorders and brain injuries.
• Mathematics : Mathematicians conduct basic research to develop and explore new mathematical theories, such as number theory, topology, and geometry. This research can lead to new applications in fields such as computer science, physics, and engineering.
• Chemistry : Chemists conduct basic research to understand the fundamental properties of matter and how it interacts with other substances. This research can lead to the development of new materials, drugs, and technologies.

Purpose of Basic Research

The purpose of basic research, also known as fundamental or pure research, is to expand knowledge in a particular field or discipline without any specific practical application in mind. The primary goal of basic research is to advance our understanding of the natural world and to uncover fundamental principles and relationships that underlie complex phenomena.

Basic research is often exploratory in nature, with researchers seeking to answer fundamental questions about how the world works. The research may involve conducting experiments, collecting and analyzing data, or developing new theories and hypotheses. Basic research often requires a high degree of creativity, innovation, and intellectual curiosity, as well as a willingness to take risks and pursue unconventional lines of inquiry.

Although basic research is not conducted with a specific practical outcome in mind, it can lead to significant practical applications in various fields. Many of the major scientific discoveries and technological advancements of the past century have been rooted in basic research, from the discovery of antibiotics to the development of the internet.

In summary, the purpose of basic research is to expand knowledge and understanding in a particular field or discipline, with the goal of uncovering fundamental principles and relationships that can help us better understand the natural world. While the practical applications of basic research may not always be immediately apparent, it has led to significant scientific and technological advancements that have benefited society in numerous ways.

When to use Basic Research

Basic research is generally conducted when scientists and researchers are seeking to expand knowledge and understanding in a particular field or discipline. It is particularly useful when there are gaps in our understanding of fundamental principles and relationships that underlie complex phenomena. Here are some situations where basic research might be particularly useful:

• Exploring new fields: Basic research can be particularly valuable when researchers are exploring new fields or areas of inquiry where little is known. By conducting basic research, scientists can establish a foundation of knowledge that can be built upon in future studies.
• Testing new theories: Basic research can be useful when researchers are testing new theories or hypotheses that have not been tested before. This can help scientists to gain a better understanding of how the world works and to identify areas where further research is needed.
• Developing new technologies : Basic research can be important for developing new technologies and innovations. By conducting basic research, scientists can uncover new materials, properties, and relationships that can be used to develop new products or technologies.
• Investigating complex phenomena : Basic research can be particularly valuable when investigating complex phenomena that are not yet well understood. By conducting basic research, scientists can gain a better understanding of the underlying principles and relationships that govern complex systems.
• Advancing scientific knowledge: Basic research is important for advancing scientific knowledge in general. By conducting basic research, scientists can uncover new principles and relationships that can be applied across multiple fields of study.

Characteristics of Basic Research

Here are some of the main characteristics of basic research:

• Focus on fundamental knowledge : Basic research is focused on expanding our understanding of the natural world and uncovering fundamental principles and relationships that underlie complex phenomena. The primary goal of basic research is to advance knowledge without any specific practical application in mind.
• Exploratory in nature: Basic research is often exploratory in nature, with researchers seeking to answer fundamental questions about how the world works. The research may involve conducting experiments, collecting and analyzing data, or developing new theories and hypotheses.
• Long-term focus: Basic research is often focused on long-term outcomes rather than immediate practical applications. The insights and discoveries generated by basic research may take years or even decades to translate into practical applications.
• High degree of creativity and innovation : Basic research often requires a high degree of creativity, innovation, and intellectual curiosity. Researchers must be willing to take risks and pursue unconventional lines of inquiry.
• Emphasis on scientific rigor: Basic research is conducted using the scientific method, which emphasizes the importance of rigorous experimental design, data collection and analysis, and peer review.
• Interdisciplinary: Basic research is often interdisciplinary, drawing on multiple fields of study to address complex research questions. Basic research can be conducted in fields ranging from physics and chemistry to biology and psychology.
• Open-ended : Basic research is open-ended, meaning that it does not have a specific end goal in mind. Researchers may follow unexpected paths or uncover new lines of inquiry that they had not anticipated.

Advantages of Basic Research

Here are some of the main advantages of basic research:

• Advancing scientific knowledge: Basic research is essential for expanding our understanding of the natural world and uncovering fundamental principles and relationships that underlie complex phenomena. This knowledge can be applied across multiple fields of study and can lead to significant scientific and technological advancements.
• Fostering innovation: Basic research often requires a high degree of creativity, innovation, and intellectual curiosity. By encouraging scientists to pursue unconventional lines of inquiry and take risks, basic research can lead to breakthrough discoveries and innovations.
• Stimulating economic growth : Basic research can lead to the development of new technologies and products that can stimulate economic growth and create new industries. Many of the major scientific and technological advancements of the past century have been rooted in basic research.
• Improving health and well-being: Basic research can lead to the development of new drugs, therapies, and medical treatments that can improve health and well-being. For example, many of the major advances in medical science, such as the development of antibiotics and vaccines, were rooted in basic research.
• Training the next generation of scientists : Basic research is essential for training the next generation of scientists and researchers. By providing opportunities for young scientists to engage in research and gain hands-on experience, basic research helps to develop the skills and expertise needed to advance scientific knowledge in the future.
• Encouraging interdisciplinary collaboration : Basic research often requires collaboration between scientists from different fields of study. By fostering interdisciplinary collaboration, basic research can lead to new insights and discoveries that would not be possible through single-discipline research alone.

Limitations of Basic Research

Here are some of the main limitations of basic research:

• Lack of immediate practical applications : Basic research is often focused on long-term outcomes rather than immediate practical applications. The insights and discoveries generated by basic research may take years or even decades to translate into practical applications.
• High cost and time requirements: Basic research can be expensive and time-consuming, as it often requires sophisticated equipment, specialized facilities, and large research teams. Funding for basic research can be limited, making it difficult to sustain long-term projects.
• Ethical concerns : Basic research may involve working with animal models or human subjects, raising ethical concerns around the use of animals or the safety and well-being of human participants.
• Uncertainty around outcomes: Basic research is often open-ended, meaning that it does not have a specific end goal in mind. This uncertainty can make it difficult to justify funding for basic research, as it is difficult to predict what outcomes the research will produce.
• Difficulty in communicating results : Basic research can produce complex and technical findings that may be difficult to communicate to the general public or policymakers. This can make it challenging to generate public support for basic research or to translate basic research findings into policy or practical applications.

About the author

Muhammad Hassan

Researcher, Academic Writer, Web developer

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25 Basic Research Examples

Basic research is research that focuses on expanding human knowledge, without obvious practical applications.

For a scholarly definition, we can turn to Grimsgaard (2023):

“Basic research, also called pure, theoretical or fundamental research, tends to focus more on ‘big picture’ topics, such as increasing the scientific knowledge base around a particular topic.”

It is contrasted with applied research , which “seeks to solve real world problems” (Lehmann, 2023).

Generally, basis research has no clear economic or market value, meaning it tends to take place in universities rather than private organizations. Nevertheless, this blue-skies basic research can lead to enormous technological breakthroughs that forms the foundation for future applied research .

Basic Research Examples

• Physics: Understanding the properties of neutrinos.
• Medicine: Investigating the role of gut microbiota in mental health.
• Anthropology: Studying the social structures of ancient civilizations.
• Biology: Exploring the mechanism of CRISPR-Cas9 gene editing.
• Psychology: Understanding the cognitive development in infants.
• Chemistry: Researching new catalytic processes for organic synthesis.
• Astronomy: Investigating the life cycle of stars.
• Sociology: Exploring the impacts of social media on society.
• Ecology: Studying the biodiversity in rainforests.
• Computer Science: Developing new algorithms for machine learning.
• Mathematics: Exploring new approaches to number theory.
• Economics: Investigating the causes and effects of inflation.
• Linguistics: Researching the evolution of languages over time.
• Political Science: Studying the effects of political campaigns on voter behavior.
• Geology: Investigating the formation of mountain ranges.
• Architecture: Studying ancient building techniques and materials.
• Education: Researching the impact of remote learning on academic performance.
• History: Investigating trade routes in the medieval period.
• Literature: Analyzing symbolism in 19th-century novels.
• Philosophy: Exploring concepts of justice in different cultures.
• Environmental Science: Studying the impact of plastics on marine life.
• Genetics: Investigating the role of specific genes in aging.
• Engineering: Researching materials for improving battery technology.
• Art History: Investigating the influence of politics on Renaissance art.
• Agricultural Science: Studying the impact of pest management practices on crop yield.

Case Studies

1. understanding the structure of the atom.

The study of atomic structure began in the early 1800s, with John Dalton’s atomic theory suggesting that atoms were indivisible and indestructible. However, it was not until the 20th century that Ernest Rutherford’s gold foil experiment led to the discovery of the nucleus and the proposal of the planetary model of the atom, which was further refined by Niels Bohr and eventually led to the quantum mechanical model, showing that electrons move in orbital shells around the nucleus.

Research Context:

• Topic: Investigating the structure and behavior of atoms.
• Purpose: Understand the fundamental particles (protons, neutrons, and electrons) and forces that govern atomic behavior.
• Methodology: Utilize particle accelerators, theoretical models, and experimental physics.
• Significance: Fundamental understanding of atomic structures has paved the way for numerous technological and scientific breakthroughs, such as the development of nuclear energy and advancements in chemistry and materials science.

Outcomes and Further Developments:

• Discovery and exploration of subatomic particles like quarks.
• Development of quantum mechanics and quantum field theory.
• Subsequent advancements in various scientific fields, such as nuclear physics, chemistry, and nanotechnology.

2. Researching the Human Genome

The Human Genome Project, an international research effort that began in 1990, aimed to sequence and map all of the genes – collectively known as the genome – of humans. Completed in 2003, it represented a monumental achievement in science, providing researchers with powerful tools to understand the genetic factors in human disease, paving the way for new strategies for diagnosis, treatment, and prevention.

• Topic: Investigating the structure, function, and mapping of the human genome.
• Purpose: Understand the genetic makeup of humans, identify genes, and learn how they work.
• Methodology: Techniques like DNA sequencing, genetic mapping, and computational biology.
• Significance: Foundational for various advancements in genetics, medicine, and biology, providing insights into diseases, development, and evolution.
• Completion of the Human Genome Project, which mapped the entire human genome.
• Advancements in personalized medicine, genetic testing, and gene therapy.
• Development of CRISPR technology, enabling precise genetic editing.

Basic Research vs Applied Research

Basic research focuses on expanding knowledge and understanding fundamental concepts without immediate practical application, while applied research focuses on solving specific, practical problems using the knowledge gained from basic research (Akcigit, Hanley & Serrano-Velarde, 2021).

A simple comparison of definitions is below:

• Basic research seeks to gain greater knowledge or understanding of the fundamental aspects of phenomena.
• Applied research seeks to solve practical problems the researcher or their stakeholders are facing.

A researcher might choose basic research over applied if their primary motivation is to expand the boundaries of human knowledge and contribute to academic theories, whilst they might favor applied research if they are more interested in achieving immediate solutions, innovations, or enhancements impacting real-world scenarios (Akcigit, Hanley & Serrano-Velarde, 2021; Baetu, 2016).

To learn more about applied research, check out my article on applied research.

Basic Research: Disappearing in 21st Century Universities?

In the 1980s, universities increasingly came under pressure to prove their specific financial value to society. This has only intensified over the decades. So, whereas once universities were preoccupied with basic research, there’s been a big push toward academic-industry collaborations where research demonstrates its economic value, rather than its cultural or intellectual value, to society. This may, on the one hand, help make universities relevant to today’s world. But on the other hand, it may interfere with the blue skies research that could identify and solve the bigger, less financially pressing, questions and problems of our ages (Bentley, Gulbrandsen & Kyvik, 2015).

Pros and Cons of Basic Research

The primary advantage of basic research is that it generates knowledge and understanding of fundamental principles that can later serve as a foundation for technological advancement or social betterment.

It can lead to groundbreaking discoveries, stimulate creativity, and drive scientific innovation by satisfying human curiosity (Akcigit, Hanley & Serrano-Velarde, 2021; Baetu, 2016).

It is also often the catalyst for training the next generation of scientists and researchers.

However, basic research can be time-consuming, expensive, and its outcomes may not always be directly observable or immediately beneficial.

This is why it’s often left to government-funded research institutes and universities to conduct this sort of research. As Binswanger (2014) argues, “basic research constitutes, for the most part, a common good which cannot be sold profitably on markets.

Furthermore, its value is often underestimated because the applications are not immediately apparent or tangible.

Below is a summary of some advantages and disadvantages of basic research:

Abeysekera, A. (2019). Basic research and applied research.  Journal of the National Science Foundation of Sri Lanka ,  47 (3).

Akcigit, U., Hanley, D., & Serrano-Velarde, N. (2021). Back to basics: Basic research spillovers, innovation policy, and growth.  The Review of Economic Studies ,  88 (1), 1-43.

Baetu, T. M. (2016). The ‘big picture’: the problem of extrapolation in basic research. The British Journal for the Philosophy of Science.

Bentley, P. J., Gulbrandsen, M., & Kyvik, S. (2015). The relationship between basic and applied research in universities.  Higher Education ,  70 , 689-709. ( Source )

Binswanger, M. (2014). How nonsense became excellence: forcing professors to publish. In Welpe, I. M., Wollersheim, J., Osterloh, M., & Ringelhan, S. (Eds.), Incentives and Performance: Governance of Research Organizations . Springer International Publishing.

Grimsgaard, W. (2023). Design and strategy: a step by step guide . New York: Taylor & Francis.

Lehmann, W. (2023). Social Media Theory and Communications Practice . London: Taylor & Francis.

Wiid, J., & Diggines, C. (2009). Marketing Research . Juta.

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Dr. Chris Drew is the founder of the Helpful Professor. He holds a PhD in education and has published over 20 articles in scholarly journals. He is the former editor of the Journal of Learning Development in Higher Education. [Image Descriptor: Photo of Chris]

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